The legal marijuana market in Colorado has created a bonanza for âgreen entrepreneursâ and tax collectors in the state. At the same time, it has put pressure on budgets in neighboring states. Post TV takes you to rural Colorado to experience how legal marijuana is affecting communities.
A Dr. Mehmet Oz, MD , Cardiology (Cardiovascular Disease), answered. Melanocytes are the cells that are responsible for producing the pigment melanin, which gives color to skin and hair. Everyone has melanocytes, but people with dark skin produce more melanin than those with lighter skin do.
Most basal cell and squamous cell skin cancers are caused by repeated and unprotected skin exposure to ultraviolet (UV) rays from sunlight, as well as from man-made sources such as tanning beds. UV rays can damage the DNA inside skin cells. DNA is the chemical in each of our cells that makes up our genes.Genes contain instructions for how our cells function. We usually look like our parents because they are the source of our DNA.sually the cells can repair the damage, but in some cases this results in abnormal DNA, which may be the first step on the path to cancer. Researchers donât yet know all of the DNA changes that result in skin cancer, but they have found that in many skin cancers the cells have changes in tumor suppressor genes.