The advantages of physical activity to protect against heart disease​

A) ​appear in middle-aged individuals but not young adults.
B) ​appear in older adults but not middle-aged or young adults.
C) ​appear in young adults, but decrease over the lifespan.
D) ​appear during childhood and continue over the lifespan.

The advantages of physical activity to protect against heart disease appear during childhood and continue over the lifespan. Research has consistently shown that regular physical activity can reduce the risk of heart disease, and this benefit begins in childhood and continues throughout life. Studies have also found that individuals who are physically active during childhood are more likely to remain active as adults, further reducing their risk of heart disease.