Preparing for a blood test involves simple steps to ensure accuracy and comfort. Follow doctor's instructions regarding fasting and medications, stay ...

A magnesium blood test measures the amount of magnesium, an important mineral, in your blood. Your body needs magnesium from ...

Colonoscopies are considered the gold standard for detecting colorectal cancer. But some dread the idea of the invasive procedure and the prep required the day before you have it. The FDA last year ...

Routine blood work is a simple but powerful tool for detecting hidden health issues before they become serious. Sudden changes in weight, energy, hair, thirst or body temperature may signal health ...

The risk of heart-related problems increases significantly during the winter season. Compared to summer, cases of heart attacks and heart failure rise sharply in cold weather. Low temperatures cause ...

What Is an MCHC Blood Test? A mean corpuscular hemoglobin concentration (MCHC) blood test measures the amount of a protein called hemoglobin in your red blood cells. It’s one of many measurements ...

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...

This article was reviewed by Felix Gussone, MD. If you’ve been feeling a bit more couch potato than go-getter lately, dragging through the day, snapping at people for no reason, or wondering where ...

But new research suggests that a simple blood test may be able to predict osteoporosis risk, allowing doctors to intervene ...

But whether patients should be getting the tests—as some already are—is not yet clear. New blood tests can detect cancer recurrence earlier than traditional scans, potentially giving doctors and ...

The blood test that detects nicotine is called a cotinine test. It measures recent tobacco use and exposure. Cotinine is a chemical that comes from the breakdown of nicotine in the body. A blood test ...

A new blood test was found to detect colon cancer with more than 80% accuracy — and to rule it out for 90% of healthy people. The results were presented at the 2025 American Society of Clinical ...