Martin Lewicki, Author at FITBOOK

Martin Lewicki

Martin Lewicki has been working in print and online media across Germany since the early 2000s. Since 2015, he has been a freelance writer, including for Axel Springer Verlag. He regularly contributes to WELT, TECHBOOK, and FITBOOK. His areas of expertise include health, nutrition, and fitness. Driven by curiosity and a love for travel, he frequently undertakes personal experiments — such as practicing Muay Thai in Thailand, taking a yoga course in an Indian ashram, or attending a silent retreat at a meditation center.

Maintaining Weight with the Optimal Number of Steps

Less Than Expected! If You Want to Maintain Your Weight, You Should Aim to Take This Many Steps Daily

Researchers have found that fewer than 10,000 steps are sufficient to maintain weight after a diet.

How Does a Colonoscopy Affect the Risk of Colon Cancer?

According to a Long-Term Study Lower Risk of Colon Cancer? What a Colonoscopy Really Offers

A long-term study has examined how a colonoscopy affects the risk of colon cancer and mortality over time.

Expert Reveals Should You Take Magnesium Before or After Exercise?

Magnesium is one of the most important minerals—but how and when should you take it? An expert provides answers.

Many people are unaware of how dangerous smoking is for their eyes.

Not the Lungs Surprising Effect of Smoking on This Organ

Researchers warn that smoking can profoundly damage the eyes. It harms the retina and optic nerve and promotes inflammation.

Hip thrusts build the glutes more effectively than back squats.

Hip Thrust The Incredibly Effective Ab Exercise Men Should Also Do

Experts and studies explain why hip thrusts might be the best exercise for glutes, why men should also do them, and more.

Research Loneliness Can Be Life-Threatening in Certain Cases, Study Finds

According to a study, loneliness not only negatively affects health and well-being but can even become life-threatening.

Can a Flu Shot Affect the Risk of Alzheimer's?

Study Shows Connection High-Dose Flu Vaccine Linked to 20 Percent Lower Alzheimer's Risk

Connection discovered: High-dose flu vaccination may reduce Alzheimer's risk. FITBOOK looks at what's behind it.

Cooking apparently has a beneficial effect on the brain.

According to neurologists Study Links This Habit to Lower Dementia Risk

A new study suggests that a simple daily habit may be linked to a lower risk of dementia.

How Does Fast Food Affect Fertility? New Studies Indicate Risks for Men and Women.

According to the study Reduced Fertility with This Diet

A recent study from the Netherlands reveals the impact of fast food on the fertility of men and women.

Studies Show Sport Makes You Happy! Even This Small Amount Is Enough

If you haven't experienced it yourself, you only know it from hearsay: sport makes you happy. But is it really true? And if so, why?

Woman sitting in front of a daylight lamp

Doctor Answers Can Daylight Lamps Help With "Seasonal Affective Disorder"?

Daylight lamps promise relief from winter depression - also known as "seasonal affective disorder". A doctor explains the benefits.

Which is better for building muscle - training with free weights or on machines?

Weight Training Is It Better to Train With Free Weights or on Machines to Build Muscle? Study Provides the Answer

It is a controversial question whether equipment or free weight training is better for building muscle. A study now provides the answer.

Supersets increase training intensity and thereby promote muscle growth.

Give it a try! Superset Training: Build More Muscle and Lose Fat

More Muscle, Less Fat: Superset Training Is Especially Effective and Time-Saving How it works and the different variations available.

A recent study reveals why a specific olive oil might have a positive effect on cognitive health.

Major Study Certain Olive Oil May Promote Cognitive Health in Aging

Many swear by olive oil. A new study suggests that olive oil may also have a positive effect on cognitive health.

New Factor Identified for Multiple Sclerosis

Swedish Study Researchers Identify Potential Additional Factor for MS

Swedish researchers have discovered a new factor that may be linked to multiple sclerosis (MS) in a recent study.

Adequate protein intake plays an important role not only for those over 60 but also in older age.

State of Research How Much Protein People Over 60 Should Eat

How much protein do people over 60 need? Do they have a higher or lower requirement than younger individuals? We investigated.

According to a new study, it appears that the brains of marathon runners also serve as an energy source.

Under Extreme Stress Researchers Surprised! What Happens in a Marathon Runner's Brain

A recent study reveals that the brain of a marathon runner taps into its own fat tissue as an energy source, which has negative consequences.

Almond milk yogurt and oat milk yogurt are the healthiest yogurt alternatives.

Study Analyzes Nutrients This Plant-Based Yogurt Alternative Is the Healthiest

Which yogurt alternative excels in nutritional value? FITBOOK shares a comparison of almond, oat, coconut, and more that yields clear results.

These training methods build a muscular chest.

Workout Tips Wrestler Reveals How to Train for an Ideal Muscular Chest

Terron Beckham is considered a role model by many when it comes to chest workouts. FITBOOK explains the exercises and principles that contribute to his success.

A previously unknown cause of hair loss has been identified.

Why Many Remedies Don't Work Study Identifies Previously Unknown Cause of Hair Loss

A new study has identified a previously unknown cause of hair loss. This explains why many hair growth products do not work.

Some training habits can make us age faster

Expert Explains Training Habits That Make Us Age Faster

You can overdo it with exercise. Those with incorrect training habits might even age faster.

Can Juice Like Apple Juice Weaken the Immune System?

Unexpectedly Even a glass of juice can impair the immune system, study finds

If you're going to consume fructose, it's better to eat fruit rather than drink juice. Even a single glass of juice can negatively affect the immune system.

In the FITBOOK ranking, an East German city secures the top spot as the most sports-friendly city in Germany.

FITBOOK Analysis Germany's Most Sports-Friendly Major City

We reviewed the current data to determine Germany's most and least sports-friendly major city. Find out which one it is on FITBOOK.

Study Researchers Identify Tipping Point: The Age When Frailty Begins

Canadian researchers have, for the first time, determined when frailty begins. This significantly increases the risk of death.

Long COVID Cases Can Vary Greatly, New Study Shows

Study 8 Different Trajectories Long COVID Can Take

In a large-scale study, researchers demonstrate that long COVID can follow eight different trajectories.

Strength training may help in the recovery of long COVID patients, according to a recent study.

Study Shows Long-COVID Patients Should Focus on This Training

A recent study shows how a specific type of training can help alleviate long COVID symptoms following a coronavirus infection.

Improved Muscle Growth: Man Performs Squats with Barbell

Improved Muscle Growth 8 Tips for Effective Strength Training

Success at the gym often leaves much to be desired. Here are eight simple tips for better muscle growth during strength training.