the sun's effect on human health during summer Our bodies need sunlight to produce vitamin D, but too much exposure to sunlight can be harmful. How can we be sure that we get enough sunlight without harming our health? We know that this summer is a very strong heat due to the high sunlight in a group of countries in this book you will know more what the sun is and what its components and pros and as well as its negatives on human health and the way of preventing its damage in order to enjoy it in the summer in a proper way. This book can be read a lot of times so that you can remember all the information about the sun in the summer and benefit from the sunshine in a good way in the sea or garden or on the street and share this information with family and friends in order to benefit from the sun's rays in a way that gains good health and exploit it before winter.