Which one of the following is not an anticipated benefit of regularly using a sunscreen of SPF 15 from infancy through age 18?

Using a sunscreen with SPF 15 regularly from infancy through age 18 is associated with several important benefits, particularly in terms of skin protection and long-term health outcomes. The first three choices highlight well-documented benefits of sunscreen use:

• Protection against sunburn (A) is one of the most immediate and significant benefits of using sunscreen. Regular application helps prevent the skin from burning, which can have both immediate and long-term effects on skin health.

• Slower aging of the skin (B) is another benefit. Sunscreen helps protect the skin from UV radiation, which contributes to aging signs such as wrinkles and loss of elasticity. Consistent use is known to offer protective effects against photoaging.

• The lowered risk of melanoma (C) refers to the strong association between excessive UV exposure and the development of skin cancer, including melanoma. Numerous studies have shown that regular sunscreen use in childhood and adolescence can significantly reduce the risk of developing melanoma later in life.

The final option regarding the lowered risk of oat cell carcinoma does not align with the primary benefits of sunscreen use for the skin. Oat cell carcinoma, which is more commonly known as small cell lung cancer, is related to factors such as smoking or exposure to certain carcinogens, rather than UV