What is seborrheic dermatitis, and who is it commonly found in?

Seborrheic dermatitis is a common skin condition characterized by red, flaky, and greasy patches of skin, typically found in areas rich in sebaceous (oil) glands such as the scalp, face, and upper back. It is particularly notable for its tendency to manifest as cradle cap in infants, where it appears as yellow, crusty scales on the scalp, and as dandruff in adults.

The condition is linked to an overproduction of oil and the presence of a type of yeast called Malassezia on the skin, factors that can be influenced by age, hormonal changes, and individual skin types. Although it can occur in various age groups, it is most prevalent in infants during the first few months of life and in adults, especially those in their 30s to 60s.

This choice accurately reflects the demographics affected by seborrheic dermatitis, highlighting its occurrence in both infants and adults, which encompasses its more recognized presentations in daily situations.

In contrast, the other options misrepresent the condition; it is not a chronic issue limited to teenagers, a rare genetic disorder, or simply an allergic reaction, which are contexts that do not apply to the nature and commonality of seborrheic dermatitis. The broad range in