unknowingly

If an older man clutches his chest in agony, most people would know he's having a heart attack.But with cases now rising in people under 50, cardiologists warn the real danger is the subtle symptoms many ignore.Figures show deaths from…

A fit and healthy young woman has told of her horror after discovering she had unknowingly lived with a brain tumour for 15 years.Nicole Cutler, from Boston, was flying from California back to Boston aged 22, when she suddenly lost her…