Support for the theory that genes regulate aging is found in the ...

[jparksx]

Support for the theory that genes regulate aging is found in the
 
  number of people born with Down syndrome.
  incidence of genetic diseases.
  death rate from Down syndrome.
  premature aging in Down syndrome individuals.

Question 2

Elderly people who are hard of hearing
 
  are likely to get a hearing aid.
  compensate with extra social give-and-take.
  are often excluded from social give-and-take.
  suffer less from their impairment than older people with poor vision.

[miss_1456@hotmail.com]

Answer to Question 1

premature aging in Down syndrome individuals.

Answer to Question 2

are often excluded from social give-and-take.

[jparksx]

Thanks for the timely response, appreciate it

[Joy Chen]

Excellent