The term 'SON SPOTS' is a reference to ACNE, which is a common skin condition that affects many people. ACNE is caused by the overproduction of oil in the skin, which can lead to clogged pores and the formation of SPOTS. The crossword solution for this term is 'ACNE', which is a four-letter word. ACNE can be treated with topical creams and medications, as well as lifestyle changes such as avoiding certain foods and getting enough sleep.