The Faculty of Pharmacy at University of Basrah organized a scientific seminar entitled "Sun light in health and diseases" where it started The seminar with a lecture by Dr. Osama Ayoub showed that the bad effect of sunlight is the result of exposure to the above rays Violet and especially UVB type which leads to pigmentation, redness and many serious diseases such as diseases Cancerous and immunological so it became necessary to stay away or use modern methods to prevent sunlight and find out How risk and exposure to benefits are avoided. As for the teaching that Majid gave a lecture that included studies About the benefits of sunlight on human health in general and its effect on vitamin D in particular and the latter Many benefits are on preventing many diseases including osteoporosis, cancer, immune diseases, heart disease and mental illness. Dr. Amer Khazal was lectured on phototherapy: The lecture included introducing the concept of phototherapy And the devices used in it to treat the most common skin conditions, the most important of which is jaundice, which is treated with x-ray incubators. Ultraviolet which helps the newborn to get rid of the resulting bellerin from the decomposition of excess blood to be thrown out. It's also used. UvB for the treatment of skin eczema, psoriasis and acute vitreous conditions (more than 20% total) and vitamin D deficiency. Many unwanted side effects have also been introduced due to overexposure. for light and ways to reduce them. The lecture also addressed the use of laser light in phototherapy and its medical types and prescriptions And its interaction with living tissue, such as the carbon dioxide laser used for surgical cutting (excision) Laser molecular technologies for 3D imaging and nanotechnology reactors used for treatment and research