Alzheimer's caregiver
Learning Center
Farsightedness
Do you see distant objects clearly, but develop a blur as they come close? This vision problem, called farsightedness, is easily corrected with prescription lenses.
COVID-19: Long-term effects
Learn about the possible long-term effects of COVID-19.
Prostatitis: Can sexual activity make it worse?
Some men with prostatitis have pain with ejaculation or sexual activity.
Ebstein anomaly
In this rare heart defect, the tricuspid heart valve didn't form properly. This can affect the heart's ability to pump blood. Know the risks and symptoms.
Male masturbation: Does frequency affect male fertility?
Male masturbation has little effect on sperm count or quality.
Chiari malformation
Learn about this brain condition in which brain tissue extends into the spinal canal.
Conjoined twins
If an early embryo only partially separates and two babies develop, they remain physically connected — most often at the chest, abdomen or pelvis.
Down syndrome
Down syndrome is a genetic disorder caused when abnormal cell division results in extra genetic material from chromosome 21.
Progeria
This genetic disorder is extremely rare and progressive. It causes children to age rapidly, beginning in their first two years of life.
Niemann-Pick disease
A condition passed down in families that affects how the body breaks down and uses fats. Fat buildup in cells damages the nerves, brain and other organs.
Refine Your Search
Type
Gender
Age
- All
- 45 to 64 middle
- 19 to 44 younger
- 00 birth to 01 month newborn
- 02 months to 2 years infant/toddler
- 03 to 5 years preschool
- 13 to 18 years teen
- 06 to 12 years elementary/preteen
- 65 to 80 older
- 80 and over
- 02 to 15 months infant
- 29 to 40 middle
- Premature baby
- 06 to 10 years elementary