Poor bone health, increased incidence of injuries, menstrual irregularities, and increased risk of developing eating disorders describe consequences of low energy intake for which one of the following groups? a. athletes who are 20-22 years old b. athletes who are younger than 19 c. athletes who are older than 65 d. athletes who are 35-40 years old

b.) Athletes who are younger than 19.

Explanation:

This condition is called the Triad.

It is often seen in physically active girls and women. It is a syndrome that results from a relationship between low energy availability with or without eating disorders, low bone mineral density and disfunction of menstrual cycle. Not always all of the signs are present to diagnose Female Athlete Triad. It usually occurs in adolescent age ( between the age of 10 and 19), due to their skeletal immaturity and BMD.  Early signs of this condition are: weight changes, decreased energy and repeated injuries. On the long term level, effects are: low BMD, osteoporosis, suicidal thoughts, kidney failure, liver dysfunction...

the answer to your question is: family members who abuse drugs.

(i hope this ! )