First trimester
Learning Center
Aortic calcification: An early sign of heart valve problems?
Aortic valve calcification — once thought a harmless condition — may be a sign of heart valve disease.
Alzheimer's and dementia: What's the difference?
The terms 'Alzheimer's disease' and 'dementia' are often used to mean the same thing — but here's the real difference between them.
Allergies and asthma: They often occur together
Allergies and asthma? Find out how to control both conditions.
Adult bed-wetting: A concern?
Adult bed-wetting is uncommon and requires evaluation by a doctor. Learn about possible causes.
Adrenal fatigue: What causes it?
Adrenal fatigue is a term used to describe a group of symptoms that aren't specific. It's not an official medical diagnosis.
Acne
Learn more about this common skin condition, including causes, treatments and simple skin care steps you can do at home to help control it.
1st trimester pregnancy: What to expect
The first few months of being pregnant can bring physical and emotional changes, such as breast tenderness, nausea, anxiety and excitement.
Refine Your Search
Type
Gender
Age
- All
- 45 to 64 middle
- 19 to 44 younger
- 13 to 18 years teen
- 11 to 12 years preteen
- 65 to 80 older
- 06 to 12 years elementary/preteen
- 03 to 5 years preschool
- 80 and over
- 02 months to 2 years infant/toddler
- 10 years
- 00 birth to 01 month newborn
- 02 to 15 months infant
- 19 to 28 young adult
Focus
- All
- Definition