We entered the 21st century with such maladies as heart and vascular system diseases, environmental diseases, cancer, AIDS (Acquired Immune Deficiency Syndrome). The risk factors causing these diseases are poor environment (especially after Chernobyl disaster), constant stress and bad habits. We witness more and more cases when people suffer from such environmental diseases as food allergies, chronic fatigue syndrome, asthma, thyroid gland. They all have a huge impact on the quality of life, darken our prospects for future. Alcohol, drugs, smoking, AIDS have also become the reality of our life, especially among young and middle-aged people. Today we'll read the texts about the diseases, which have come as a result of people's ignorance and lack of healthy habits.
1.Read the extract carefully and note down the follow points: