Answer:
this all depends on your age and weight etc...
Explanation:
but the average human needs at least 8 hours of sleep and 8 cups of water a day.
if your healthy it means you eat well and your weight is at the normal weight. exercise if you go out and run or lift weights etc...
I would so i can’t help you.
I would say C.) Osteoarthritis
i say this because cataracts are directly on the eyes, glaucoma does cause blindness and you can get glaucoma from Osteoarthritis but diabetes can directly make you blind by having to get an eye removed