标记。 头发变薄

Parasitic infections, a widespread health problem affecting millions of people around the world, occur when parasites enter the human body and lead to a number of symptoms such as digestive problems and fatigue. These invaders, ranging from microscopic protozoa to larger helminths, often enter the body via contaminated food, water or contact with infected people. Symptoms may vary, but often include stomach pain, diarrhea,...

Research has shown that there are more than 100 different factors that can contribute to weight gain. At the individual level, these factors include genetics, other health problems, medications, mental health, sleep, poverty or the environment. On a broader level, they include changing values in societies and communities, lifestyle patterns at work and at home, food production and prices, transportation infrastructure, and access to...