Danger in nature does not always come with a warning. A hippo charging from a quiet river can end a life in seconds, reminding us that wild animals rarely announce their attacks. Around the world, ...

A severe asthma attack is not just an escalation of breathlessness, it is a medical emergency that can spiral into respiratory failure within minutes if ignored. With airways suddenly narrowing, ...

Sudden surges of anguish can accompany intense mourning. That’s not unusual, experts say, and sometimes even helpful. By Christina Caron Jane Griffin, 71, knew that her husband was dying — he had been ...