Approximately 12.5 of the U.S. population is over the age of 65. (True or false?)

Approximately 12.5 of the U.S. population is over the age of 65.
 
  Indicate whether the statement is true or false.

---

Biological aging refers to the psychological changes a person undergoes as a consequence of aging.
 
  Indicate whether the statement is true or false.

---

Some researchers are concerned that obesity will reduce life expectancy in the future.
 
  Indicate whether the statement is true or false.

---

Life expectancy in the U.S. has decreased over the last century.
 
  Indicate whether the statement is true or false.

---

The elderly population in the U.S. will become less racially diverse over the next twenty years.
 
  Indicate whether the statement is true or false.