hydration mistakes after age 60—and why avoiding them can protect your heart and overall health.
1. Drinking Ice-Cold Water: A Sudden Sh0ck to the System
Consuming very cold water—especially after physical activity, walking, or heat exposure—can abruptly disturb the body’s internal balance. Extremely cold temperatures strongly stimulate the vagus nerve, which plays a key role in controlling heart rhythm.
This sudden response may lead to:
- A sharp drop in heart rate
- Spasms in coronary arteries
- Chest discomfort, dizziness, or fainting
- In older adults, this reflex can trigger angina, fainting episodes,
