- 21. Knee pain
- (Knee pain)
- ... between your patella and the underlying thighbone (femur). It's common in young adults, especially those who have a slight misalignment of the kneecap; in athletes; and in older adults, who usually develop ...
- 22. Klinefelter syndrome
- (Klinefelter syndrome)
- ... children include adoption and artificial insemination with donor sperm. Psychological counseling. Having Klinefelter syndrome can be a challenge, especially during puberty and young adulthood. For ...
- 23. Kleptomania
- (Kleptomania)
- ... Kleptomania often begins during adolescence or in young adulthood, but in rare cases it begins after 50 years of age. Kleptomania risk factors may include: Family history. Having a first-degree ...
- 24. Type 2 diabetes
- (Type 2 diabetes)
- ... among children, adolescents and younger adults. Prediabetes. Prediabetes is a condition in which your blood sugar level is higher than normal, but not high enough to be classified as type 2 diabetes. ...
- 25. Type 1 diabetes in children
- (Type 1 diabetes in children)
- ... to notice the symptoms of low blood sugar levels. For children younger than age 6, the ADA recommends an A1C of less than 8.5 percent. In children between ages 6 and 12, the recommendation is for an A1C ...
- 26. Type 1 diabetes
- (Type 1 diabetes)
- ... possible risk factors include if your mother was younger than age 25 when she gave birth to you or if your mother had preeclampsia during pregnancy. Being born with jaundice is a potential risk factor, ...
- 27. Turner syndrome
- (Turner syndrome)
- ... delayed in adolescent girls or young women with mild signs and symptoms of Turner syndrome. Nearly all girls and women with Turner syndrome need ongoing medical care from a variety of specialists. Regular ...
- 28. Spinal tumor
- (Spinal tumor )
- ... are osteosarcomas (osteogenic sarcomas) and Ewing's sarcoma, a particularly aggressive tumor that affects young adults. Multiple myeloma is a cancerous disease of the bone marrow — the spongy inner part ...
- 29. Down syndrome
- (Down syndrome)
- ... most children with Down syndrome are actually born to women under age 35 because younger women have far more babies. Having had one child with Down syndrome. Typically, a woman who has one child ...
- 30. Traveler's diarrhea
- (Traveler's diarrhea)
- ... risk of developing the condition. These include: Young adults. The condition is slightly more common in young adult tourists. Though the reasons why aren't clear, it's possible that young adults ...
- 31. Traumatic brain injury
- (Traumatic brain injury)
- ... seizures Dilation of one or both pupils of the eyes Clear fluids draining from the nose or ears Children's symptoms Infants and young children with brain injuries may lack the communication skills ...
- 32. Trachoma
- (Trachoma)
- ... mucus or pus As the disease progresses, later trachoma symptoms include: Marked light sensitivity (photophobia) Blurred vision Eye pain Young children are particularly susceptible to infection, ...
- 33. Cavities/tooth decay
- (Cavities/tooth decay)
- ... the total amount of fluoride you may be getting from your local water supply and other sources. Younger or older age. In the United States, cavities are the most common chronic disease among children ...
- 34. Tonsillitis
- (Tonsillitis)
- ... tender glands (lymph nodes) in the neck A scratchy, muffled or throaty voice Bad breath Stomachache, particularly in younger children Stiff neck Headache In young children who are unable ...
- 35. Tinea versicolor
- (Tinea versicolor)
- ... and young adults. Sun exposure may make tinea versicolor more apparent. Antifungal creams, lotions or shampoos can help treat tinea versicolor. But even after successful treatment, skin color may remain ...
- 36. Tetralogy of Fallot
- (Tetralogy of Fallot)
- ... Toddlers or older children may instinctively squat when they are short of breath. Squatting increases blood flow to the lungs. Tet spells are more common in young infants, around 2 to 4 months old. When ...
- 37. Bruxism/teeth grinding
- (Bruxism/teeth grinding)
- ... Age. Bruxism is common in young children, but usually goes away by adolescence. Stimulating substances. Smoking tobacco, drinking caffeinated beverages or alcohol, or taking illegal drugs ...
- 38. Teen depression
- (Teen depression)
- ... directed, the Food and Drug Administration (FDA) warns that in some cases, children, adolescents and young adults ages 18 to 24 may have an increase in suicidal thoughts or behavior when taking antidepressants. ...
- 39. Kyphosis
- (Kyphosis)
- ... and disk degeneration. If the surgery fails to correct the problem, a second surgery may be needed. Adolescence is a time when young people are struggling with physical and emotional changes. Having ...
- 40. Rotavirus
- (Rotavirus)
- ... months — particularly those who spend time in child care settings. Older adults and adults caring for young children have an increased risk of infection as well. Your risk of rotavirus is highest in ...