
Menstrual cycle: What's normal, what's not - Mayo Clinic
Apr 22, 2023 · Learn about how to track your menstrual cycles and what any changes may mean.
Heart rate: What's normal? - Mayo Clinic
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.
Calorie Calculator - Mayo Clinic
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 …
Mental health: Know when to get help - Mayo Clinic
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, …
Bone density test - Mayo Clinic
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 …
Tachycardia - Symptoms and causes - Mayo Clinic
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, …
How many hours of sleep are enough? - Mayo Clinic
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 …
Tool: BMI and waist circumference calculator - Mayo Clinic
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.
Low hemoglobin count Causes - Mayo Clinic
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.
Vitamin D - Mayo Clinic
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 …