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Health and Fitness


Health and Fitness information for long distance backpackers. Physical and psychological effects of hiking and nature.

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Health & Fitness News & Research during the Winter and Spring of 2019 sticky icon

 

Health, Fitness, & The Human Condition 
News and Science

Updated
May 7, 2019

 Winter & Spring
of
2019

January 1, 2019:
HAPPY NEW YEAR!

  

 

Latest News Below

 

Earlier
Health & Fitness News, 2018

Health & Fitness News, 2015-2017

  

 

Our goal here is to provide the best information how to deal with internal and external threats to your health. But why?

 

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News of Health Science, Fitness, the Human Past, Potential & Pitfalls for Backpackers sticky icon

 Health, Fitness, & The Human Condition 
News and Science

Updated

December 21

 

Latest News Below

 

2018 Health & Fitness News

 

Our goal here is to provide the best information how to deal with internal and external threats to your health. But why?

 

FIELD GRADE
Our greater goal is to attain "Field Conditioning." Field Conditioning is an advanced state of fitness where we are capable of moving and operating effectively across great distances over all types of terrain, at high or low altitude, in hot, cold, wet, or dry conditions over extended time spans, under all seasonal conditions, while carrying the weight required to withstand these environmental conditions, feed ourselves well, and safely reach our goal. 

In "Field" status we can take some shots and keep rocking. But this is an "ideal" state of conditioning that is typically achieved by well-trained backpackers during their trips.

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Bacteria Defeats Last Effective Antibiotic

 

HEALTH & FITNESS

MCR-9
Visual of the Last Gasp of The Age of Antibiotics

The mcr-9 gene's protein structure graphic, by Ahmed Gaballa, Cornell University.

The mcr-9 gene's protein structure graphic depicts the differing protein chains (solid color ribbons) and the protein surface (mesh) surrounding it, by Ahmed Gaballa, Cornell University. Large Image.

 

Bacteria Defeats Last Effective Antibiotic

New 'Jumping' Superbug Gene Discovered, Resistant to Last-Resort Antibiotic,
Cornell University, May 6, 2019.

MAIN POINTS

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Running Young: Marathon Training 'Reverses' Aging of Blood Vessels

 

HEALTH & FITNESS

Running Young

Training for First-Time Marathon 'Reverses' Aging of Blood Vessels,
European Society of Cardiology, May 3, 2019.

MAIN POINTS

Running Young
"Training for and completing a first-time marathon "reverses" ageing of major blood vessels, according to research presented today..."

Four Years
"Novice runners who trained for six months and completed their first marathon had a four-year reduction in arterial age and a 4 mmHg drop in systolic blood pressure. This is comparable to the effect of medication, and if maintained translates to approximately 10% lower risk of stroke over a lifetime."

Potential
"Compared to their peers, lifelong athletes have biologically younger blood vessels. This study investigated whether training for a marathon could modify aortic stiffness even in novice runners."

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4 Fundamentals of Fitness: Moving, Not Sitting, keeps Brain Active, Weed Use/Effect on Athletics

 

 

HEALTH & FITNESS RESEARCH

Four Fundamentals of Fitness Research

1>Basic Movement Good for the Gray Matter

2>Ass Surfers Bad

3>Active Senior Body, Active Senior Brain

4>Weed Wonder Drug for Extreme Exercisers?

 

 

 

1>Basic Movement Good for the Gray Matter

Light, physical activity reduces brain aging,
Boston University School of Medicine, April 19, 2019.

MAIN POINTS

 "Incremental physical activity, even at light intensity, is associated with larger brain volume and healthy brain aging."

 "...specific activity levels optimal for dementia prevention have remained unclear."

 2.5 Hours a Week
"...greater than 150 minutes of moderate-to-vigorous (MV) physical activity per week is recommended for substantial health benefits."

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Two Fitness Research Summaries: Power and Protein

 

HEALTH & FITNESS
Style and Substance:

Two Fitness Research Summaries:
Food and Proper Forms for Superior Performance

Muscle Power & Protein Intake

 

1> POWER

Ability to lift weights quickly can mean a longer life,
European Society of Cardiology, April 12, 2019.

MAIN POINTS

“Prolong your life by increasing your muscle power.”

“...people with more muscle power tend to live longer.”

The Key: Power
“Power depends on the ability to generate force and velocity, and to coordinate movement.”

Power Forms
"Power training is carried out by finding the best combination of speed and weight being lifted or moved. For strength training at the gym most people just think about the amount of weight being lifted and the number of repetitions without paying attention to the speed of execution. But for optimal power training results, you should go beyond typical strength training and add speed to your weight lifts."

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HEALTH & FITNESS NEWS: Dangers of High Intensity Exercise

 

HEALTH & FITNESS

High Intensity Exercise

High-intensity interval training increases injuries, Rutgers study finds,
Rutgers University, April 9, 2019.

MAIN POINTS

Interval Training
"These workouts, which combine aerobic exercising, weight lifting and calisthenics at maximum capacity, followed by periods of recovery, have been growing in popularity over the past decade, driven by the efficiency of the exercise to deliver fitness goals in less time."

DANGER
"People who engage in high-intensity interval training are at greater risk for injury, especially in the knees and shoulders."

Effective but Dangerous
"...acknowledged that while this type of training is effective in improving cardiorespiratory fitness, boosting energy and promoting lean muscle mass and fat loss, it also increases injury risk."

Why
Improper Prep
"...many athletes, especially amateurs, do not have the flexibility, mobility, core strength and muscles to perform these exercises."

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KID’S HEALTH & FITNESS: Legions of Digital Crackhead Fatties...

 

KID’S HEALTH & FITNESS

 

Engaging the Kid with Nature
Hiking the Kid. Photo Credit  Jyväskylän yliopisto, University of Jyväskylä.
I’d have that kid carrying a pack, reading the map, and consulting on route, breaks, and timing our pursuit of objectives, all while actively observing near & far… Photo Credit Jyväskylän yliopisto, University of Jyväskylä. Say that three times quickly...

 

Legions of Digital Crakhead Fatties...

Decline in physical activity often starts as early as age 7,
University of Jyväskylä - Jyväskylän yliopisto, April 8, 2019.

MAIN POINTS

Unfit for Purpose
Fit for Consumption, Rather than Nature
“Overall physical activity starts to decline already around the age of school entry. While the proportion of physically inactive individuals rises with age there still are groups of people who manage to increase their physical activity level in adulthood and old age.”

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Nasty Asian longhorned Tick Rapidly Filling up Staten Island, NY, & East Coast

 

SKEETER & TICK NEWS

 Asian Longhorned Tick
Asian Longhorned Tick, photo credit Center for Disease Control and Prevention.

The new species, identified last summer in Westchester and Staten island, is increasing and spreading quickly, photo credit Center for Disease Control and Prevention. Big Tick.

 

Nasty Tick Rapidly Filling up Staten Island, East Coast

New Yorkers brace for self-cloning Asian longhorned tick,
Columbia University, March 28, 2019.

MAIN POINTS

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Exercise has Anti-Inflammatory Effect Preventing Osteoarthritis Cartilage Damage

 

HEALTH & FITNESS

Exercise has Anti-Inflammatory Effect

Exercise helps prevent cartilage damage caused by arthritis,
Queen Mary University of London, March 27, 2019.

MAIN POINTS

Exercise Good
“Exercise helps to prevent the degradation of cartilage caused by osteoarthritis...”

Movement is Anti-Inflammatory
“During exercise the cartilage in joints such as the hip and knee is squashed. This mechanical distortion is detected by the living cells in the cartilage which then block the action of inflammatory molecules associated with conditions such as arthritis.”

“…this is down to tiny hair-like structures called primary cilia found on living cells.”

Why
“...this anti-inflammatory effect of physical activity is caused by activation of a particular protein, called HDAC6, which triggers changes in the proteins that form primary cilia.”

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Exposure to Deadly Aedes Mosquitoes & their Diseases Doubling with Global Warming

 

BREAKING OUR WEATHER

It Begins Here
The Main Culprits: Humans, followed by Aedes Aegypti

 Aedes aegypti mosquito larvae, credit to NIAID (CC BY 2.0, 2016).
Aedes Aegypti Mosquito Larvae, credit to NIAID (CC BY 2.0, 2016)

 

It Ends Here:
Killer Skeeters Benefit Greatly from our Heating of our Environment
Aedes aegypti feeding in Dar es Salaam, Tanzania, Muhammad Mahdi Karim, Wiki.
Aedes aegypti feeding in Dar es Salaam, Tanzania, Muhammad Mahdi Karim, Wiki
 

Two Teams Report

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High Altitude Medicine: Half Acetazolamide Dosage Sufficient

MOUNTAIN SAFETY

 

Himalayan Altitude Sickness Warning - Indian Army
Himalayan Altitude Sickness Warning - Indian Army, Wiki by Sistak
Wiki by Sistak

 

Mountain Sickness Medicine

Cutting the standard dose of medication for acute mountain sickness in half does not reduce its effectiveness,
Elsevier, March 11, 2019.

MAIN POINTS

Altitude Sickness
“...10 to 25 percent of trekkers and climbers ascending above 2,500 meters experience AMS, increasing to 50 to 85 percent in individuals ascending above 4,500 to 5,500 meters, especially when the ascent is rapid.”

Acetazolamide
“...acetazolamide is the standard agent of choice for prophylaxis against altitude illness.”

Side Effects
“...the medication also has problematic side effects, especially at high doses.”

“...paresthesia, altered sensation of taste, frequent urination, headache, nausea, and rash have been found to be more common at higher doses and can lead to safety concerns at high altitudes.”

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Global Distribution of Microbe Resistance found in Sewage

HEALTH & FITNESS

Global Distribution of Microbe Resistance found in Sewage

Antimicrobial Resistance World Map
Antimicrobial Resistance World Map by Frank Aarestrup.
Predictions of antimicrobial abundance in all countries and territories in the world, coloured according to predicted abundance of resistance from light blue (low abundance) to dark blue (high abundance), map by Frank Aarestrup.

 

Sewage Reveals Levels of Antimicrobial Resistance Worldwide,
Technical University of Denmark, March 8, 2019.

MAIN POINTS

Resistance Survey
“A comprehensive analysis of sewage collected in 74 cities in 60 countries has yielded the first, comparable global data, which show the levels and types of antimicrobial resistant bacteria that are present in mainly healthy people in these countries.”

Two Groups
“North America, Western Europe, Australia and New Zealand generally have the lowest levels of antimicrobial resistance, while Asia, Africa and South America have the highest levels.”

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Waste Treatment Plants: Antibiotic Resistance Factories

HEALTH & FITNESS

Waste Treatment Plants: Antibiotic Resistance Factories

A 'Post-Antibiotic World?'
University of Southern California, March 5, 2019.

MAIN POINTS

Recycling Resistance
“The products of wastewater treatment have been found to contain trace amounts of antibiotic resistant DNA. These products are often reintroduced to the environment and water supply, potentially resulting in the spread of antibiotic resistance.”

Next Destination
"We're quickly getting to a scary place that's called a "post-antibiotic world," where we can no longer fight infections with antibiotics anymore because microbes have adapted to be resilient against those antibiotics."

Engines of Antibiotic Destruction
"Unfortunately, engineered water treatment systems end up being sort of a hot-bed for antibiotic resistance."

Biological Filters
“...one of the common ways in which the wastewater is treated is with a membrane bioreactor, which uses both a filtration system and a biological process where microscopic bacteria consume waste products.”

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Training Beyond Exhaustion can Prevent Learning

HEALTH & FITNESS RESEARCH

Don’t Over-train

Training beyond exhaustion can prevent learning,
eLife, March 5, 2019.

MAIN POINTS

Over-training
"...we set out to disentangle the effects of fatigue on performance of a task from its effects on the ability to learn and get better at it."

Hurts for Days
"...muscle fatigue caused by overexertion when practicing a skill can affect the task in hand and impair learning afterwards."

Pinch Test
“The researchers asked 120 people to learn a pinch-force task over two days.”

"...they found that those people who had reached the point of exhaustion performed less well using both their fatigued and unfatigued hands.

I’m Tired
"This suggested that fatigue impairs motor skill learning mechanisms in the brain."

“...fatigue may affect the formation of memories that help people to retain new skills they have learned.”

Overtraining Bad
“We have shown that learning in a fatigued state results in detrimental effects on a person’s ability to acquire a new skill.”

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Widespread Endocrine Disruptors Killing & Damaging Boys & Their Dog’s Sperm

HEALTH & FITNESS

Endocrine Disruptors DEHP & PCBs Killing & Damaging Dudes & Their Dog’s Sperm

PCBs, Polyvinyl Chlorides, EVERYWHERE
 Corporate Corruption Kills Man & Nature.
The, "Health & Safety," Policies of, "our," corporate-bribed political parties and politicians make Skully a much more appropriate symbol for them than any Burro or Elephant.

 

Corporate Political Pirates are Poisoning Our Planet

The, “Profitability,” Principal, (ie, bribery), rules our, “regulatory framework,” (ie, politics), not the, “Precautionary” Principal, The RESULTS:

Chemical pollutants in the home degrade fertility in both men and dogs, study finds,
University of Nottingham, March 4, 2019.

MAIN POINTS

“...a 50% global reduction in sperm quality in the past 80 years.”

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Endocrine Disruptors and Plastics Everywhere, In Deepest Ocean Trenches

HEALTH & FITNESS

Endocrine Disruptors Everywhere

"Skully"
The Flag of the Corporate-Chemical-Corruption Pirates:
Corporate Corruption Perverts & Kills Man & Nature
 Corrupted Regulatory Apparatus allows Dangerous Chemicals in Everything
"Skully"
"Skully," is the, "battle flag," a representative symbol, and practical result of Our Bribed & Corrupted Political Regulatory Apparatus allowing Dangerous Chemicals into Everything, among many other dangerous policies (!), that are highly detrimental to us and our environment's health, our wealth, and everything's welfare.

 

Heavy Plastic and Endocrine Disruptor Distrubition.

Everywhere!

 

A Troubling Discovery in the Deepest Ocean Trenches,
The Atlantic, February 27, 2019.

MAIN POINTS

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Yeast Converted into THC Factories, & Weed Good for Senior Citizen Medical Issues

HEALTH & FITNESS

Two Weed Stories
1> Yeast turned into THC Factories, first below.
2> Weed Great for Senior's Medical Issues, second below.

Old School
 Living in the Past with non-toxic urban agriculture
Living in the Past: Non-Toxic Urban Agriculture...Old School THC, "factories," AKA. plants.

 

Yeast Converted into THC Factories

Yeast produce low-cost, high-quality cannabinoids,
University of California - Berkeley, February 27, 2019.

Main Points

Money Factories, er, Yeast Factories
New Products
“...synthetic biologists have engineered brewer's yeast to produce marijuana's main ingredients--mind-altering THC and non-psychoactive CBD--as well as novel cannabinoids not found in the plant itself.”

"...the possibility of new therapies based on novel cannabinoids: the rare ones that are nearly impossible to get from the plant, or the unnatural ones, which are impossible to get from the plant."

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Don’t Cut Yourself: Your Risks of Deadly, Antibiotic-Resistant Infections are Rising

 

HEALTH & FITNESS

 

EUSR on Anti-Microbial-Resistance from Humans, Animals, & Food, 2017
EUSR on Anti-Microbial-Resistance from Humans, Animals, & Food, 2017, Credit to ECDC/EFSA, 2019.
Credit to ECDC/EFSA, 2019. Full-sized map image.

 

Don’t Cut Yourself: Your Risks of Deadly, Antibiotic-Resistant Infections are Rising

 

Zoonoses: Antimicrobial resistance shows no signs of slowing down,
European Centre for Disease Prevention and Control (ECDC), February 26, 2019.

MAIN POINTS

Antibiotic Resistance Rising
“The joint report, which presents the data collected from 28 EU Member States from humans, pigs and calves under one year of age, confirms the rise in antibiotic resistance already identified in previous years.”

“...antimicrobials used to treat diseases that can be transmitted between animals and humans, such as campylobacteriosis and salmonellosis, are becoming less effective.”

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Antimicrobials Suck: Just Wash Your Frigging Hands...

HEALTH & FITNESS

Danger-Danger: Corruption Kills Man & Nature
 Skull and Crossbones symbol of death brought by the Greedy.
Corrupted Regulatory Apparatus allows Dangerous Chemicals in "Consumer" Products

 

Antimicrobials Suck: Just Wash Your Frigging Hands...

Chemical added to consumer products impairs response to antibiotic treatment,
Washington University in St. Louis, February 21, 2019.

MAIN POINTS

Bad Anti-Microbials
“...a chemical that is supposed to kill bacteria is actually making them stronger and more capable of surviving antibiotic treatment.”

Triclosan put in Everything
“Triclosan is the active ingredient responsible for the “antibacterial” property marketed on many consumer products. It is added to toothpaste, mouthwash, cosmetics and even to clothing, baby toys and credit cards with the intention of reducing or preventing bacterial growth.”

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