Quit-smoking basics
Learning Center
Swallowing gum: Is it harmful?
Your body can't digest chewing gum. So what happens when you swallow it?
Video: Melanoma — Early stage and advanced melanoma
Melanoma — Video explains early-stage melanoma and advanced melanoma.
Types of psoriasis
Learn to identify types of psoriasis, such as guttate psoriasis and scalp psoriasis, by appearance.
Scalp psoriasis vs. seborrheic dermatitis: What's the difference?
Learn how to tell apart these common conditions of the scalp, both of which cause inflamed, scaly skin.
Vertebral tumor
Learn about these tumors that grow in the bones of the spine, causing pain and weakening the spinal column. Find out about diagnosis and treatment.
Bacterial vs. viral infections: How do they differ?
Understand the differences between bacterial and viral infections.
Video: How cancer spreads
Watch this video to see how cancer spreads (metastasizes).
Cervical cysts: Can they be cancerous?
Cervical cysts usually aren't cancerous. Some types of cervical cysts are so common that they're considered a normal feature of cervical anatomy.
Allergies and asthma: They often occur together
Allergies and asthma? Find out how to control both conditions.
Concussion in children: What are the symptoms?
Whether your child's concussion is mild or severe, allow time to recover.
Refine Your Search
Type
Gender
Age
- All
- 45 to 64 middle (85)
- 19 to 44 younger (83)
- 65 to 80 older (9)
- 13 to 18 years teen (7)
- 06 to 12 years elementary/preteen (7)
- 03 to 5 years preschool (6)
- 80 and over (5)
- 02 months to 2 years infant/toddler (5)
- 00 birth to 01 month newborn (4)
- 02 to 15 months infant (3)
- 19 to 28 young adult (1)
Focus
- All
- Definition
- Risk factor
- Causal Risk Factor