A variety of abbreviations exist to designate the applicable certifications, specialties and education of nurse practitioners. General Abbreviation The general abbreviation for nurse practitioners is NP. A general nurse practitioner has completed at least a bachelor degree and has a license to work as a registered nurse (RN) in her home state. Additionally, she has at least two years experience practicing as an RN and has completed a masterâs degree and additional training.
Our body creates most of our vitamin D from direct sunlight on our skin. We also get vitamin D from some foods â including eggs, meat and oily fish such as salmon, mackerel and sardines.
The dark side of sun exposure. Some safe exposure to the summer sun is important to help the body make vitamin D. However, the cumulative effects of sun exposure put us at higher risk of cellular damage, early wrinkling, age spots, actinic keratoses and skin cancer -- including malignant melanoma, the most serious type.