hello there.
donating blood once in 6 months is good.
before donating you need to know the following-
you must have proper weight for your height,
you must not be in any medicines,
you must not be suffering from any infection.
you must not have smoked for 5 days before donation.
you must eat healthy and have good sleep after donation.
regards
Answered2015-09-03 15:13:29
1/1 people found this helpful