In a simpler time, we were told to avoid foods that were high in fat. But then we learned that there are many different types of fats, including some, like olive oil, that are good for you.n a simpler time, we were told to avoid foods that were high in fat. But then we learned that there are many different types of fats, including some, like olive oil, that are good for you.
1 One out of every 10 people entering a hospital needs blood. 2  Just one pint of donated blood can help save as many as three people's lives. 3  The average adult has 10 pints of blood in his or her body.
Fact: The time taken for a single donation session is normally not more than an hour or so. Myth: There is limited blood in the body and it is unhealthy to give some away. Fact: Only about 350-450ml of blood is taken during a donation session. There is enough blood in the body to donate it without any ill effects.