Until high-protein diets became so popular a few years ago, most people didn’t pay much attention to the amount and type of protein they ate. Now everyone seems to be an expert on the subject. Here’s a quiz to find out how much you know about protein.

1. If you took away the water, about 75 percent of your body weight is made up of protein.

True or false?

2. Adults need about

7 grams of protein daily for every 20 pounds of body weight.

True or false?

3. Many adults in America are deficient in protein consumption.

True or false?

4. A diet deficient in protein can cause weakening of the heart.

True or false?

5. High-protein diets for long term can cause you to lose bone strength.

True or false?

6. Complete proteins are those that contain all the amino acids your body needs.

True or false?

7. Incomplete proteins are foods that lack one or more amino acids.

True or false?

8. Studies show that eating a lot of protein increases cancer risk.

True or false?

Source: Harvard School of Public Health

Answers: 1) True; 2) True; 3) False; 4) True; 5) True; 6) True; 7) True; 8) False