Depending on your plan and how consistent you are with it, prediabetes reversal can take anywhere from months to years. But reversal may be possible about 25% of the time with lifestyle changes alone.

Blood donation itself usually takes about 8 to 10 minutes. The whole process may take up to 1 hour, as you may need to sign some forms, have a checkup, or rest afterward. Donating blood is usually a ...