It is easy to see why some people worry about coffee. A stimulant, it can cause jitters and insomnia, stomach upset and heartburn. It can also boost heart rate temporarily, which is why people with certain heart problems may be advised to avoid it.
Weather and well-being are intimately linked. Rain, drought and snow have had drastic effects on history and human health. But can weather bring on joint pain and colds, or even lead to a heart attack? See what the science says.