Sperm counts have plunged by nearly 60 percent in just 40 years among men living in the West, according to a major review of scientific studies that suggests the modern world is causing serious damage to men’s health. Pesticides, hormone-disrupting chemicals, diet, stress, smoking and obesity have all been “plausibly associated” with the problem, which is associated with a range of other illnesses such as testicular cancer and a generally increased mortality rate. The