is a rare genetic condition affecting limb development, hearing, and heart rhythm.

is a rare genetic condition causing severe limb shortening and birth differences.

is difficulty recognizing familiar voices despite normal hearing and language skills.

is a rare inherited disorder affecting sugar production and energy metabolism.

is a rare inherited disorder that can cause gout and kidney stones.

affects how the body uses phosphorus, weakening bones and disrupting health.

is a rare inherited disorder affecting brain development, movement, and learning.

is a rash triggered when sunlight changes a chemical on skin.

is a painful sunburn of the eye caused by UV exposure.

is a type of epilepsy triggered by flashing or flickering lights.

is a rare inherited disorder causing brittle hair, sun sensitivity, and delays.

is a rare inherited disorder causing brittle hair, sun sensitivity, and delays.

is a rare inherited disorder with brittle hair, sun sensitivity, and delays.

is an inherited condition causing brittle hair, sun sensitivity, and developmental problems.

causes unusual sensitivity to sunlight, leading to skin or eye symptoms.

is a skin reaction caused by sunlight after certain chemical exposure.

is an occupational asthma triggered by allergic reactions to phthalic anhydride.

is a rare allergy-like reaction to certain phthalate-containing chemicals or medicines.

is severe corneal damage causing scarring, shrinkage, and often major vision loss.

is a rare breast tumor that can be benign, borderline, or cancerous.

is a rare prostate tumor with both gland and stromal tissue.

is hives triggered by physical factors like cold, heat, pressure, or exercise.

is a normal increase in red blood cells from adaptation.

is an eating disorder involving cravings for nonfood substances.