Skin. A reaction to poison ivy or poison oak is a type of contact dermatitis.

Reduce Overall Body Fat. To reduce a "spare tire", you must develop a cardio workout combined with good nutrition to reduce overall body fat.

Tobacco Use. According to the World Health Organization, tobacco use led to 5.4 deaths in 2004.

Yemen. The World Health Organization has reported over 900,000 cases and nearly 2200 deaths due to cholera from April to November 2017 in Yemen.

Chronic. High blood pressure, arthritis and high cholesterol are considered common chronic medical conditions.

Yogurt. Dairy products, such as yogurt and milk, are one of the best sources of calcium.