Science

Health & Medicine

Sunscreen or sun spray: When is which sun protection best suited?

Sunscreen spray is convenient: It's easy to apply compared to creams from tubes or bottles and is helpful when it comes to reaching your...
Willy Lewis, M.D. -
Health & Medicine

Get fit by cycling: This is how often you should cycle per week to get fit

Cycling is a great way to get or stay fit. But how often, how long and how intensively should you cycle to achieve this? What...
Willy Lewis, M.D. -
Health & Medicine

Öko-Test criticizes magnesium preparations: Every second product in the test was overdosed

After exercise or for leg cramps, many people like to take magnesium tablets or capsules. However, a current Öko-Test study shows that this can...
Willy Lewis, M.D. -
Health & Medicine

In the heat: is it better to have cold or warm drinks?

Drinking plenty of water in hot weather is important for your health. We'll explain to you how much liquid you should drink every day...
Willy Lewis, M.D. -
Health & Medicine

Alternating breathing: Do this exercise as an emergency brake for stress

Alternate breathing comes from yoga and can help reduce stress and regulate the nervous system. Here you will find out how you can carry...
Willy Lewis, M.D. -
Health & Medicine

Headaches in the heat: 7 tips that help quickly

Headaches can come on quickly in the heat and are particularly annoying on a nice summer day. Here you can find out how you...
Willy Lewis, M.D. -
Health & Medicine

Valerian tea: preparation and how it helps

Valerian tea is said to have a calming effect on sleep problems and restlessness. You can cook it from the leaves and root of...
Willy Lewis, M.D. -
Health & Medicine

Get fit by cycling: This is how often you should cycle per week to get fit

Cycling is a great way to get or stay fit. But how often, how long and how intensively should you cycle to achieve this? What...
Willy Lewis, M.D. -
Health & Medicine

Fructose intolerance: symptoms, causes and treatment of intolerance

Fructose intolerance is widespread in Germany. You can find out here what symptoms and causes there are and how the intolerance can be treated....
Willy Lewis, M.D. -
Health & Medicine

Showering without soap: This (doesn’t happen) if you don’t use shower gel

Does showering without soap sound unimaginable? Lathering your entire body with shower gel is a daily ritual for many people. But what if the...
Willy Lewis, M.D. -
Health & Medicine

2 liters is not enough: According to experts, that’s how much water you need in hot weather

Summer temperatures cause problems for many people. Drinking enough is extremely important. But how much water should you drink per day? And what are...
Willy Lewis, M.D. -
Health & Medicine

Suddenly wide awake at night – sleep expert reveals a mistake many people make

Anyone who keeps waking up at night and then staring frustratedly at the illuminated numbers on the alarm clock asks themselves: How do I...
Willy Lewis, M.D. -
Health & Medicine

“We don’t have a health system – we have a disease system”

Heat, air pollution, loss of biodiversity: Environmental medicine Prof. Dr. Claudia Traidl-Hoffmann explains why our health does not only develop in doctor's offices -...
Willy Lewis, M.D. -
Health & Medicine

Get fit by cycling: This is how often you should cycle per week to get fit

Cycling is a great way to get or stay fit. But how often, how long and how intensively should you cycle to achieve this? What...
Willy Lewis, M.D. -
Health & Medicine

Overcoming depression: This is how you can help those affected

Overcoming depression can be difficult: those affected often find it difficult to get out of the downward spiral themselves. You can find out how...
Willy Lewis, M.D. -
Health & Medicine

Sunglasses: Does the tint of the lenses have anything to do with UV protection?

Not only the skin needs good protection from the sun, but also our eyes. But sunglasses with particularly heavily tinted lenses are usually not...
Willy Lewis, M.D. -
Health & Medicine

Öko-Test criticizes magnesium preparations: Every second product overdoses

After exercise or for leg cramps, many people like to take magnesium tablets or capsules. However, a current Öko-Test study shows that this can...
Willy Lewis, M.D. -
Health & Medicine

Mosquito repellent DEET can become an attractant

Aedes aegypti mosquito after its blood meal. She can apparently learn to use a common repellent as a trace to the host. ©...
Willy Lewis, M.D. -
Health & Medicine

If you stare into space: This is what happens in your head during mind blanking

If you just stare in front of yourself and don't seem to think about anything - what exactly is happening in your head? A...
Willy Lewis, M.D. -
Health & Medicine

Showering without soap: This (doesn’t happen) if you don’t use shower gel

Does showering without soap sound unimaginable? Lathering your entire body with shower gel is a daily ritual for many people. But what if the...
Willy Lewis, M.D. -
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