[ad_1] The phenomenon of hair turning grey, an inevitable part of ageing, has intrigued humanity throughout history and as our understanding of cell biology advances, so does our insight into the intricate process of hair greying. Melanin, the pigment responsible for hair colour, is produced by melanocytes within follicles, defining the array of hair colours…
[ad_1] Nicotine is the addictive drug in tobacco smoke that causes people who smoke to continue to smoke. Along with nicotine, people who smoke inhale about 7,000 other chemicals in cigarette smoke. Many of these chemicals come from burning tobacco leaf. Some of these compounds are chemically active and trigger profound and damaging changes in…
[ad_1] Dry skin (xerosis) is a common condition with many causes. Dry skin can be a symptom that indicates a more serious diagnosis. But in most cases, dry skin is caused by environmental factors that remove moisture from the skin. Heat, hot showers, arid climates, and harsh soaps can all trigger dry skin. Fortunately, you…
[ad_1] Eye infections affect millions of people per year and can often require a visit to the doctor. Although they may have similar symptoms, infections vary in their causes. This can include bacterial or fungal infection, a virus, or even caring for your contacts improperly. It’s important to know the signs of an eye infection so…
