A healthy diet and a healthy lifestyle go hand in hand, especially for people over 65. According to a report by the World Health Organization (WHO), most of the diseases that older people suffer from are due to a lack of a reasonable diet. For example, dietary fat is linked to prostate, colon and pancreatic cancer.

Sweating is one of the body's important excretory and thermoregulatory activities. In most cases, sweat tastes salty, so people often think that is the taste of sweat. So what if sweat doesn't taste salty?