Under 18 years of age: People under the age of 18 should not donate blood. Their bodies are still developing and donating blood can cause weakness.
Underweight people: If you weigh less than 50 kilograms, it is not safe for you to donate blood. Donating blood if you are underweight can have a negative impact on your health.
Pregnant women: Pregnant women should not donate blood. This can put their and their baby's health at risk.
People with recent surgery or serious illness: If you have recently undergone surgery or are recovering from a serious illness, you should not donate blood. It can adversely affect your health and delay recovery.
People suffering from anemia or blood deficiency: If you have anemia or blood deficiency in your body then you should not donate blood. This can worsen your condition.