Moles*-identification marks-are birth marks given by the God to most of the human beings. Unless and until U note any change in the size, color and asymmetric shape; nothing to be panicky. I'm 68+ “young” with all the organs intact and functioning up to optimum levels. I have more than 100 moles on my body, covering every organ, since birth. Prudent to take it easy and forget. As per Indian sentiment, a person with moles on gonads is blessed with lot of libido; which is totally satiated for life. I never care to bother about any of my moles.
Much before, it is too late, prudent* to see a general surgeon/local homeopath/dermatologist for physical examination, relevant investigations, accurate diagnosis and permanent cure by medication and or surgical interference. Much before the advent of super-specialties like nuero/pediatric/cardiac/renal/gynec/brai... gastro-enterology, and ENT etc., all these surgeries were conducted by general surgeons. Hence, a Surgeon’s approach is most appropriate and accurate. A good surgeon suggests cheapest and accurate diagnostic investigations only to ensure permanent cure.
When the sun shines on bare skin, your body makes its own vitamin D. This is the major source of vitamin D, but it's not enough for many people. Fair-skinned people might get enough in 5-10 minutes on a sunny day, a few times a week. But cloudy days, the low light of winter, and the use of sun block (important to avoid skin cancer) all interfere. Older people and those with darker skin tones don’t make as much from sun exposure. Experts say it's better to rely on food and supplements. Tanning/Tattoos drive U towards melanoma, skin cancers, etc..