#Naturtreu

Research What Happens in the Body During Heat—and When It Becomes Dangerous

Heat waves are challenging for many people. But at what temperature does heat actually become dangerous for the body?

Fitness Experts Explain Prevent Muscle Loss After 40! This Training Plan Will Help

Two fitness experts reveal how to counteract muscle loss after age 40, with tips for optimal training. Read more on FITBOOK.

Rowing, Cycling, Running in a Fitness Comparison

Expert Makes the Comparison Rowing, Cycling, Running – Which Is Better for Muscle Building and Calorie Burning?

Rowing, Cycling or Running–Which Endurance Sport Offers Which Benefits? FITBOOK fitness expert Alina Bock makes the comparison.

Study Involving Half a Million Participants Cycling Apparently Reduces the Risk of This Serious Disease

A study involving nearly half a million participants showed that regular cycling can significantly reduce the risk of dementia.

Experts at BILD Children's Health Summit "Bridging the Gap Between Highly Informed and Uninformed"

Early Education, Exercise, Vaccination: These Topics Dominated the 2025 Children's Health Summit. FITBOOK Was There and Reports.

FITBOOK Editor-in-Chief Combines Home Workouts and Gym Training in Her Fitness Routine

FITBOOK Editor How I Perfectly Combine Gym Training with My Home Workouts

FITBOOK editor-in-chief Melanie Hoffmann likes to combine home workouts and gym training within a week.

How long and fast should women and men be able to run for their basic fitness?

For Basic Fitness This Is How Long and Fast Men and Women Should Be Able to Run

At what time and distance is running considered basic fitness? FITBOOK asked an expert about running for basic fitness.

Brooke Shields demonstrated at the Tony Awards that she is in great shape.

Hollywood Star Brooke Shields, 60, Shows Off Her Muscles! This Is Her Workout Secret

Actress Brooke Shields is in top shape at 60—FITBOOK reveals the workout she relies on to stay fit.

What Should People With Osteoarthritis Consider in Their Diet?

Protect and Strengthen Joints Do You Have Osteoarthritis? What to Watch for in Your Diet

Osteoarthritis is a painful joint disease. The right diet can help alleviate symptoms. Here's what to keep in mind.

Bananas may seem less exotic than goji berries, but they definitely qualify as superfoods.

Underrated Superfood 7 Reasons to Eat a Banana Every Day

Eating a banana every day can boost your mood, relieve cramps, and stimulate digestion. Here's what else these energy-packed fruits contain.

5 Isometric Plank Variations for a Strong Core

Deep Musculature 5 Isometric Plank Variations for a Stable Core

These isometric plank variations for the core primarily target the deep muscles. The focus is on body tension, control, and stability.

Research Is the Clock the Enemy of Our Sleep?

What Does Living by the Clock Do to Our Sleep? Melanie Hoffmann, an aspiring sleep coach, explores this question.

"Can't Believe That's Me" Rosie O'Donnell's Dramatic Weight Loss: Unrecognizable Thanks to 'Slimming Injection'

Actress Rosie O'Donnell has lost a significant amount of weight—with the help of a "weight loss injection" and a changed mindset.

FITBOOK Interview Fitness Icon Mark Lauren: "I Want Training to Be as Addictive as Possible"

Training With Your Own Body Weight: Mark Lauren's Principles for Real Progress in Just Minutes a Day

FITBOOK editor Anna Echtermeyer was undeterred by a critical running coach while jogging.

FITBOOK Editor "You Run Like a Giraffe!" After a Running Coach Dismissed Me, I Really Took Off

After a hurtful comment from a running coach, FITBOOK editor Anna Echtermeyer embarked on her own running journey.

FITBOOK Editor My 3 Favorite Asparagus Recipes–All from the Air Fryer

Air fryer asparagus made easy: FITBOOK shares three simple and delicious recipes for the asparagus season.

Nutrition The 8 Best Probiotic Foods for a Gut-Friendly Diet

With probiotic foods, you can specifically nourish beneficial bacterial cultures. Ideal for a gut-friendly diet.

Pedro Pascal Wows in Cannes with Outfit and Muscles

'The Last of Us' Star Everyone Loves Pedro Pascal's Biceps! Here's the Workout That Made Them Possible

In "The Last of Us," he impresses as a tough survivalist, and in Cannes, he charmed with his strong arms. We're talking about Pedro Pascal!

Green tea is one of the beverages that can positively affect cholesterol levels.

State of Research 6 Drinks That Positively Affect Cholesterol Levels

FITBOOK lists beverages that, along with a health-promoting lifestyle, can positively influence cholesterol levels.

Christopher Schwarzenegger in Summer 2017 and Spring 2024

Significant Weight Loss! Arnold Schwarzenegger's Son Christopher Reveals Details About His Transformation

Christopher Schwarzenegger, the youngest son of Arnold Schwarzenegger, has turned his life around and is now super fit.

Tested in Study Start Your Day Refreshed! This Daylight Trick Helps You Wake Up

Natural morning light: when it helps with waking up—and when it might do more harm than good, according to a new study

Trendy Drink Who Should Avoid Drinking Raw Milk

Raw milk can make you sick, despite potential benefits. Who is at risk, what studies say, and what to watch out for when drinking raw milk.

International Study If You Want to Stay Fit at 60, You Should Focus on Berries and Black Tea

According to a study, flavonoids from berries and similar foods aid in healthy aging. Even small changes in your diet can have an impact.

Black coffee has a positive effect on insulin levels.

Study The Effect of Black Coffee on Insulin Levels

According to a new study, the daily cup of coffee has a positive effect on insulin levels. One gender appears to benefit particularly.

Partner Training Acroyoga: How This Spectacular Workout Works and Who It's Suitable For

Acrobatics and yoga combine to create acroyoga—a partner workout that can look spectacular. Here's what it's all about.

How long should men and women be able to row for basic fitness?

For Basic Fitness How Long Men and Women Should Be Able to Row

A personal trainer explains to FITBOOK how long men and women should be able to row to maintain basic fitness.

Experiencing Pain While Jogging? Where Runner's Knee Comes From and How to Get Rid of It

Runner's knee manifests as pain on the outside of the joint while jogging. An orthopedic specialist offers tips on how to alleviate it.

Quick Recovery After Intense Training – Researchers Analyzed Relevant Studies

Analysis of Relevant Studies Shows The Best Diet for Faster Recovery After Training

What nutrition best promotes recovery after training? An analysis reveals the ideal amounts of carbs, protein, caffeine, and more.

Crunning is a fitness trend that combines running and crawling, offering a unique workout experience. Participants move on all fours, engaging different muscle groups compared to traditional running. This activity is gaining popularity for its intense physical challenge and novelty.

Training Method from Australia Crunning: The Concept Behind This Unusual Full-Body Workout

"Crunning" involves training on all fours. FITBOOK explains the unconventional workout method.

Experts Advise Feeling Unmotivated? Here Are Some Tips to Get You Moving and Back to Your Workout Routine

Haven't exercised in a long time? Or never really started with sports? These tips will finally help you find the motivation to get active.