Willy Lewis, M.D.

Health & Medicine

Dangerous summer heat: How to protect children, the elderly and the sick

Health & Medicine

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

Health & Medicine

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

Health & Medicine

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

Health & Medicine

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

Health & Medicine

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

Health & Medicine

Headaches in the heat: 7 tips that help quickly

Health & Medicine

Valerian tea: preparation and how it helps