Blood draws for several kinds of diagnostic tests require you to fast for several hours. Eating or drinking anything besides water can skew the results, leading to you needing to be retested. You may ...

For accurate results, you may need to fast for certain tests. This requires you to avoid certain foods and drinks. Learn more ...

Getting tested for Alzheimer’s disease just became dramatically easier, and the implications are absolutely mind-blowing. The FDA has approved the first blood test that can detect the brain changes ...

A person should only fast before a blood test if their doctor or healthcare professional specifically instructs them to do so. Not all blood tests require fasting. If a doctor or healthcare ...

A newly approved blood test can help rule out some cases based on the amount of amyloid in the brain. A neurology professor ...

The test may make it easier to identify whether people with memory and thinking problems have Alzheimer’s or not. By Pam Belluck A blood test that can help diagnose Alzheimer’s disease has received ...