What are the harms of drinking coffee?
Coffee is one of the world's most popular beverages, but in recent years there has been increasing discussion about its health effects. The following are the potential harmful effects of coffee that have been hotly discussed on the Internet in the past 10 days, compiled based on scientific research and public opinions.
1. Short-term problems caused by excessive caffeine
| Symptoms | probability of occurrence | Susceptible groups |
|---|---|---|
| Palpitations/irregular heartbeat | 15%-25% | cardiovascular disease patients |
| insomnia | 30%-40% | Drinkers after 4 p.m. |
| increased anxiety | 20%-35% | People with anxiety disorder |
2. Potential health risks of long-term drinking
| Risk type | Research conclusion | daily alert amount |
|---|---|---|
| osteoporosis | More than 4 cups a day will accelerate calcium loss | ＞400mg caffeine |
| gastroesophageal reflux | Acidic substances irritate gastric mucosa | 3 cups (even more on an empty stomach) |
| dependency | Stopping drinking suddenly can trigger a withdrawal reaction | Drink continuously for more than 2 weeks |
3. Special groups need to be vigilant
Recent hot search cases show:
| crowd | Typical adverse reactions | doctor advice |
|---|---|---|
| pregnant woman | Risk of miscarriage increases 2 times | ≤200mg daily |
| teenager | Affect brain development | No drinking before 18 years old |
| People taking medication | Reduce the effectiveness of medicines (such as antibiotics) | 2 hours apart |
4. Hidden Traps of Coffee Consumption
A survey of internet celebrity drinks found:
| product type | additional risk | Typical content |
|---|---|---|
| Flavored Latte | Excessive sugar content | ≈15 sugar cubes/cup |
| cold brew coffee | Higher concentrations of caffeine | 25% higher than hot drinks |
| cheap instant | Contains trans fatty acids | 0.3-0.5g/pack |
5. Healthy Drinking Suggestions
Combined with the latest WHO guidelines:
1. Choose to drink between 9 and 11 a.m. to avoid affecting circadian rhythm.
2. Pair each cup with 150ml of water to prevent dehydration
3. Lightly roasted beans are preferred, and the acrylamide content is reduced by 40%.
4. Adopt the "5:2" drinking method: no intake at all for 2 days a week
To sum up, although coffee can refresh you, the intake needs to be controlled according to individual circumstances. Recent research emphasizesgenetic testingImportance - People with CYP1A2 gene mutations metabolize caffeine 5 times slower, and these people need stricter limits.
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