Many people like to drink tea immediately after meals, which is actually very unscientific. Blindly drinking tea can not only play a role in health care, but even make the body worse and worse. Because tannic acid in tea can combine with iron in food to form insoluble iron salt, which interferes with the absorption of iron, it is easy to induce iron deficiency anemia after a long time. The best time for drinking tea is 65438+ 0 hour after meals. People who like to drink tea should try not to drink tea on an empty stomach, otherwise tea will dilute gastric juice and reduce digestive function, which will easily cause gastritis after a long time.

It depends on the time of tonic.

At 8 o'clock in the morning, the digestive system has the lowest absorption function and is most suitable for taking vitamin supplements; If iron is taken at night 19, the curative effect is better than that in the morning; The blood calcium level of human body is the lowest from midnight to early morning. Therefore, calcium supplementation before going to bed can make calcium fully absorbed and utilized.

3. 17~ 19 is the easiest time to be a mother.

If you want to get pregnant successfully, choose 17 to 19 to have sex. At this time, the quantity and quality of sperm reached the peak, and the liquidity was super strong. That is to say, sperm and eggs are most likely to have love at this time, and then the ovulation time of women ranges from 15 to 19, which will help couples with fertility problems.

It takes 15 seconds to wash your hands.

Most people wash their hands for less than 8 seconds on average, so it is difficult to effectively remove bacteria from their hands. There are over 400,000 bacteria on one hand. If you have the habit of picking your nose and rubbing your eyes, it is very likely that bacteria will take advantage of it. When washing your hands, be sure to rub them with soap and water for at least 15 seconds. If you can't grasp the time, you can hum the song "Happy Birthday to you" twice.

It's best not to use yogurt to satisfy hunger.

Because gastric juice is acidic when people are on an empty stomach, lactic acid bacteria in yogurt are easily killed by gastric acid, and the health care function of yogurt will be weakened. About 2 hours after dinner, the gastric juice is diluted, and the pH in the stomach is most suitable for the growth of lactic acid bacteria. Drinking yogurt is effective at this time, especially 2 hours after meals is the best choice. From the point of view of calcium supplementation, drinking yogurt or milk before going to bed is the best way to supplement calcium.

6. How many days do I have to wait for breast enhancement?

Women who are eager for the second breast development often fail to achieve satisfactory results after trying various means, because they have not seized the best opportunity for breast enhancement. In fact, 1 1, 12 and 13 are the best days for breast enhancement. During these three days, ovarian estrogen, which affects breast fullness, is secreted in the same amount for 24 hours, which is an opportunity to stimulate breast fat accumulation and thickening. At this time, exercise, food supplement and massage all have good effects.

7. Gynecological examination also has "limitations"

For women, the tenth day of menstruation is the best time to see a doctor. At this time, estrogen has the least influence on the breast, and the breast is in a relatively static state, and breast lesions or abnormalities are easy to be found.

8. Off-duty hours are best for fitness.

During 16- 18, human body temperature rises, muscle strength and elasticity reach the peak, and vital capacity and heart function are stronger. At the same time, your sense of taste, vision and hearing are the most sensitive, and your whole body coordination ability is the best, which is especially suitable for tennis, volleyball, weight lifting and aerobic exercise that consumes fat.

9. Act according to the "point"

Taste a cup of unsweetened coffee within 30 minutes to 1 hour after lunch, which will help digestion and promote fat burning. If you like dessert, you'd better eat it before 1 1. At this time, most of the fat you eat will be converted into energy and will not accumulate in your body. If you want to lose weight, it is suggested to advance the dinner time to 18.

10. Change sanitary napkins every 2 hours.

In the last few days of the official holiday, many people are not enthusiastic about changing sanitary napkins because of less menstrual blood. In fact, even in the case of little menstrual flow, it is best to change sanitary napkins every 2 hours or so. Sanitary napkins have a shelf life. You should buy them now and put them in a dry place.

1 1. Sleep time is not as long as possible.

The best sleep time should be between 7 and 8 hours a day. Too long or too short is not good for health. Studies have shown that if sleep time is reduced or increased, the risk of cardiovascular disease may increase.

12. Refueling at night for immunization

From 2 1: 00 to 23: 00 in the evening, the body needs to maintain a good state of relaxation, and any strenuous activity will affect the regulation of the immune system. If you can choose to listen to music during this time, I believe you seldom get sick. Because the beta wave released by music can stimulate the pituitary gland and enhance human immunity.

Sex is sweetest at dusk.

For men, having sex in the morning is their favorite. In fact, at dusk, the human body will release a large number of sex hormones, and the three indexes of human sexual ability, sexual sensitivity and ability to obtain orgasm are the highest, which will help both parties to reach orgasm and obtain sexual satisfaction.

14. 16~20 o'clock beauty salon

After 20 o'clock in the evening, microvascular resistance weakened and blood pressure dropped. The human body is most prone to edema, bleeding and inflammation, especially the skin, which is prone to allergic reactions. It is the worst time to go to a beauty salon for care. The best time is: 16~20 hours.

15. Eat fruit one hour before meals.

Most people are used to eating fruits after meals, but nutritionists agree to eat fruits before meals 1 hour (except a few fruits). Eating fruit between meals can not only fully absorb nutrients, but also supplement the lack of body energy and reduce hunger.