Health

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?

Underestimated Danger Sunburn in Children? Far from Rare

Sunburn in children is not uncommon. FITBOOK gives tips on how to effectively protect children from UV radiation.

Eric Dane Former 'Grey's Anatomy' Star Has ALS: 'I Don't Believe This Is the End of My Story'

Former "Grey's Anatomy" star Eric Dane announced that he has ALS. Despite the diagnosis, the actor remains defiant.

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.

Ovarian cancer is a malignant tumor disease that forms in the ovaries.

Ovarian Cancer Signs You Should Get Checked for Ovarian Cancer

FITBOOK author Julia Kuntz, with the help of an expert, explained the symptoms and treatment of ovarian cancer.

At the BET Awards, Jamie Foxx reflected on his stroke—and shared moving words.

Moving Words at the BET Awards Jamie Foxx Narrowly Escapes Death After Stroke: "Man, That Could Have Been Me!"

At the BET Awards, Jamie Foxx became emotional as he spoke about his stroke and near-death experience.

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.

Study Finds Sitting May Contribute to Alzheimer's

Even with 150 Minutes of Exercise Per Week This Daily Habit Is Considered an Alzheimer's Risk Factor

A study showed that prolonged sitting increases the risk of Alzheimer's disease—even with generally sufficient exercise.

Woman Suffers from Depressive Symptoms Due to Dieting

Approximately 30,000 Participants Study Shows Link Between Low-Carb Diet and Depressive Symptoms

A study found that specifically calorie-reduced and low-carb diets can exacerbate depressive symptoms. FITBOOK examines the study.

One Product Fails Sunscreen Test: Eleven Fall Short on SPF

Many sunscreens fail to deliver on the promised protection. FITBOOK presents the results of Öko-Test's sunscreen test.

"It'll Be All Right!" Nearly One in Three Women Has Had Negative Experiences with Doctors

Medical Gaslighting: A survey shows that women are more likely than men to experience their concerns being ignored or downplayed by doctors.

Risk of Osteoarthritis What Is Worse for the Knees–Knock Knees or Bowlegs?

Bowlegs and knock-knees are both misalignments that put stress on the knee and increase the risk of developing osteoarthritis.

Electric Toothbrushes Perform Differently in Tests

It Doesn't Always Have to Be Expensive 17 Electric Toothbrushes Tested: These Models Impressed

In the comprehensive BILD test, not only expensive electric toothbrushes impressed. Find out what was tested and the results.

Pathogen What Is the Bornavirus and How Dangerous Is It?

Bornavirus in Humans: Rare but Often Deadly FITBOOK explains everything about symptoms, spread, and new cases.

Study Discovers Study Discovers Connection Between Contraceptives and Stroke

Do hormonal contraceptives increase stroke risk? An international study provides concerning evidence. FITBOOK analyses the study.

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?

Singer Jessie J was diagnosed with early-stage breast cancer.

"Price Tag" Singer Jessie J Has Early-Stage Breast Cancer

Pop star Jessie J has been diagnosed with early-stage breast cancer and announces surgery. Her openness draws attention to early symptoms. FITBOOK provides insights.

Reduced Risk of Illness Weight Loss at This Age Can Extend Life, Study Finds

Weight loss in middle age reduces the risk of cancer, diabetes, and heart disease, according to a new study. FITBOOK analyses the study.

Risk Factors, Treatment What Is Osteoarthritis and What Are Its Symptoms?

Osteoarthritis is a joint disease often accompanied by pain. Learn all about its symptoms, causes, and treatment options.

Experts Explain What to Do When the Baby Cries?

When Babies cry, they are communicating. Experts offered FITBOOK tips on managing stress and finding help.

Consequences of Doping and Substance Abuse Study Reveals Shocking Heart Death Rates Among Bodybuilders

First systematic study shows bodybuilders have a significantly increased risk of sudden cardiac death. FITBOOK took a closer look.

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.

Shortness of Breath, Blood Poisoning, Cardiac Arrest What Makes the Bite of the Black Fly So Dangerous?

A black fly is tiny, but its bite is extremely painful and dangerous. Scratching the wound can lead to serious consequences.

Physically and Mentally Large Study Shows Link Between Low IQ and Susceptibility to Illness

A new study shows that a low IQ can increase the likelihood of various illnesses over a lifetime. FITBOOK examines the study.

Effects of Chronic Stress Do Overtime Hours Affect the Brain? New Study Shows Measurable Brain Changes

Long working hours can be stressful—and may even lead to physical changes in the brain, according to a new study.

Strong Painkiller Fentanyl: The Dangers of the 'Zombie Drug'

Fentanyl is increasingly being abused as a drug. Why this opioid is so dangerous and what is currently happening in Germany.

Alternative to the "Weight Loss Injection" New Diet Pill Shows Similar Effects to Ozempic

A pill to combat unwanted fat is coming soon: A pharmaceutical company has successfully tested its new tablet for weight loss.

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

Dental Prophylaxis How Often Should You Brush Your Teeth?

How often should you brush your teeth? An expert offers tips on dental hygiene to help maintain healthy teeth for as long as possible.

Pain in the Coccyx or Tailbone Area What Can Be Done About Tailbone Pain

What causes tailbone pain? Explanations of causes such as falls, poor posture, or pregnancy, along with tips for relief.