Question: what are the requirements to donate blood in california?
Answer: Age. 18 years or older (16 and 17 year olds must have written parental consent).
Weight. Donors must be in good health and weigh a minimum of 110 pounds.
Donation Interval. Minimum of eight weeks between whole blood donations.
Blood Pressure. ... 
Heart Rate (pulse) ... 
Body Temperature. ... 
Blood Count. ... 
Drug Therapy.