Congestive heart failure is a chronic condition that affects your heart’s ability to pump out the blood that your organs need for survival.| Health
Insulin is a hormone that regulates blood sugar. Some people with diabetes can't make enough insulin and need to inject it as a medication.| Health
Dehydration, when you lose more water than you take in, causes dark urine, headaches, and more. Drink 9-13 cups of fluids a day to prevent dehydration.| Health
A vitamin B12 deficiency may cause symptoms such as pale skin, fatigue, weakness, cognitive changes, mood changes, loss of appetite, diarrhea, and more.| Health