Martin Lewicki, Author at FITBOOK

Martin Lewicki

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?

"The Boss" Extreme Intermittent Fasting! Why Bruce Springsteen Is Still Fit at 75

Rock legend Bruce Springsteen has impressed Chris Martin with his diet. Both reportedly eat only one meal a day.

All the Facts New Coronavirus Variant on the Rise: What We Know About NB.1.8.1

A new coronavirus variant called NB.1.8.1 is causing concern. But how dangerous is it? And do existing COVID-19 vaccines work against it?

Study Confirms Connection Complex Sleep Heart Rate May Protect Against Cognitive Decline

Researchers show for the first time a link between heart rate during sleep and the risk of developing dementia.

Large Study These Dietary Patterns Are Associated with Healthy Aging—Results from 30 Years of Research

What diet should you eat to age healthily and stay fit? A recent study on the link between diet and healthy aging has the answer.

Bird flu: symptoms - and the risk of a pandemic?

H5N1 Is the Risk of a Bird Flu Pandemic Increasing? This Is What an Expert Says

There are indications that the bird flu virus is mutating and being transmitted from humans to animals. Could the next pandemic happen?

Not Just Genetic Possible Reasons for Gray Hair at a Young Age

Why do some people go gray early? Researchers are on the trail of a cause for sudden gray hair that has nothing to do with genes.

Expert Weighs In An Overlooked Fish Species That Is Extremely Healthy

Leave the salmon to one side: nutrition expert Prof. Dr. Nicolai Worm explains why mackerel is even more healthy.

How strongly we perceive the bitter taste of coffee is apparently in our genes

Researchers Find Out Why Coffee Tastes Unbearably Bitter for Some People

Black coffee tastes bitter. But not everyone likes it. Researchers have discovered why we taste coffee differently.

Physical fitness appears to have a positive effect on cancer mortality risk in cancer patients

Studies These Underestimated Factors Can Almost Halve the Risk of Dying from Cancer

A recent study shows that cancer patients themselves can also positively influence the risk of dying from cancer. Two factors in particular.

If you train in zone 2, it is still possible to talk to a partner while running.

Cardio Hardly Strenuous Zone 2 Training Is Best for Reducing Body fat

Zone 2 training improves endurance, supports fat loss and promotes health. FITBOOK speaks to the experts and explains how it works.

Research Context How Cinnamon Can Lower Blood Sugar and Help You Lose Weight

This trendy spice is a must every winter. Conveniently, cinnamon is said to help you lose weight. But is that even possible?

A mechanism of action behind the coronavirus infection could help fight cancer tumors, researchers have discovered

Study shows A severe coronavirus infection can possibly shrink cancer tumors

A new study examined the effect of coronavirus on cancer and suggests it can have a positive effect on cancer tumors and shrink them.

Bruce Willis and Emma Heming-Willis in 2019

Wife and daughter clear things up Bruce Willis' family overlooked these early warning signs of dementia

Tallulah Wilis, daughter of Bruce Willis, revealed in an interview which early warning signs of dementia she misunderstood in her father.

All-rounder device Is exercising on an elliptical trainer really effective for weight loss?

Ellipticals are very popular, both in the gym and at home. FITBOOK has investigated weight loss using an elliptical.

There have been many reports about a possible link between semaglutide and suicidal thoughts. But what is behind it?

Active ingredient in so-called "slimming syringes" Suicidal thoughts due to semaglutide? Current research indicates this possibility

Ozempic is attracting a lot of attention. Among other things, the active ingredient semaglutide is suspected of triggering suicidal thoughts.

Man stands laughing, possibly with a strong immune system

Healthier living 7 proven methods you can use to strengthen your immune system

Our immune defenses are particularly challenged in autumn and winter. You can strengthen your immune system with these 7 methods.

Woman achieves incredible transformation at over 70

Only started training 8 years ago The incredible transformation of a 78-year-old

It's never too late to start exercising - as proven by the incredible transformation of a 78-year-old. Read more about her journey on FITBOOK.

Dentists can play an important role in recognizing certain sleep disorders

Study shows What the dentist can find out about your sleep

As a recent study shows, a dentist can diagnose dangerous sleep disorders such as sleep apnea at an early stage.

Although many men experience a crisis of meaning from midlife onwards, the term menopause is rarely used.

Ask the expert Does menopause also occur in men?

Can men actually go through the menopause? FITBOOK spoke to urologist Dr. Christoph Pies who explains what's behind it.

Scientifically proven The 5 best methods to stimulate muscle growth

Many people go to the gym regularly but don't know how to get muscles. We show you how to stimulate muscle growth.

Are 10,000 steps a day enough to stay fit?

Couch potatoes, take note! Can 10,000 steps a day replace exercise?

The WHO recommends 10,000 steps a day - but is that enough to replace exercise? FITBOOK explains how to achieve this in everyday life.

Is long or short but frequent walking better for the metabolism and therefore calorie consumption? Scientists now have an answer to this question.

Researchers have studied it Walking continuously or at intervals - which burns more calories?

Walking is healthy. However, researchers have now investigated whether long walks in one go or in shorter intervals burn more calories.

The West Nile virus is depicted here as an illustration.

Beware of Mosquito Bites How Dangerous Is West Nile Fever

This year, West Nile fever has also reached Germany. But how dangerous is it? We asked an expert.