Apr 22, 2023 · Learn about how to track your menstrual cycles and what any changes may mean.

Oct 8, 2022 · A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a problem.

If you're pregnant or breast-feeding, are a competitive athlete, or have a metabolic disease, such as diabetes, the calorie calculator may overestimate or underestimate your actual calorie needs. People judge the intensity of their activities differently. And …

Dec 17, 2024 · Mental health is the overall wellness of how you think, behave and manage your feelings. A mental health condition may be present when patterns or changes in thinking, feeling, or behaving cause distress or disrupt a person's ability to do daily activities. A mental health disorder may affect how well you can:

Overview A bone density test determines if you have osteoporosis — a disorder characterized by bones that are more fragile and more likely to break. The test uses X-rays to measure how many grams of calcium and other bone minerals are packed into a segment of bone. The bones that are most commonly tested are in the spine, hip and sometimes the forearm.

Dec 15, 2023 · Jeff Olsen: This is a normal heartbeat. [HEART BEATING] Atrial fibrillation interrupts this regular beat. Fred Kusumoto, M.D., Cardiology, Mayo Clinic: In atrial fibrillation, instead of the atria squeezing in a normal regular fashion, the atria beat irregularly and chaotically. Jeff Olsen: Dr. Fred Kusumoto is an electrophysiologist at Mayo Clinic. Dr. Kusumoto: In some …

Feb 1, 2025 · The amount of sleep you need depends on various factors — especially your age. While sleep needs vary significantly among individuals, consider these general guidelines for different age groups:

Body mass index (BMI) uses weight and height to estimate body fat. A high BMI and large waist size may signal an increased risk of heart disease.

May 13, 2025 · A low hemoglobin count on a blood test could be normal for you, or it could indicate that you have a condition that needs medical attention.

Mar 21, 2025 · Vitamin D is a nutrient the body needs, along with calcium, to build bones and keep them healthy. The body can absorb calcium only if it has enough vitamin D. Calcium is a major part of bones. Vitamin D also has many other uses in the body. It supports immune health and helps keep muscles and brain ...