The same goes for older people ... For example, dehydration may cause dizziness, and dizziness can lead to nausea. People who are dehydrated often experience lower blood pressure or blood volume ...

The second level can cause headache, nausea and vomiting ... Severe heatstroke is particularly dangerous for the elderly, and can often lead to death. Most people can tell when the temperature ...

This buildup of stool can block food in the stomach from traveling to the intestines, which leaves food to linger in the stomach and cause bloating and nausea. The excess waste in your colon can ...