This time we will mention Recreational drugs, they are drugs, which may be legal or illegal to consume in the country you are living in, they are taken regularly or occasionally on social events,  consumed to change mood or alleviate peer pressure. These drugs include Tobacco, Alcohol, Marijuana, Hashish,(Cannabis) and...

People nowadays learned to depend on drugs either routinely or intermittently to control diseases and to be able to cope with every day's life minor illnesses.

Water-borne pathogens ( bacteria and fungi ) that divers and swimmers encounter are determined by some factors such as temperature of the water, PH, light, salinity, oxygenation, rainfall and the proximity to human habitat.

Is the child a small adult when it comes to diving?Definitely notParticipation of children in Scuba diving is growing every year. Instructors, dive masters, parents and pediatricians are all in growing need to understand the physiological differences between children and adults that relate specifically to scuba diving.

Recreational divers frequently return home after diving holidays by air. Divers using compressed gases for breathing under water will have an excess of nitrogen or any other inert gas dissolved within their body tissues after each dive