Ordinary people and milk before going to bed is not harmful, the following categories of people drinking milk before going to bed is harmful
1, kidney stone patients
The most dangerous factor in the formation of stones is the concentration of calcium in the urine for a short period of time suddenly increased. Drinking milk before going to bed 2 to 3 hours later, is the peak of calcium in the milk discharged through the kidneys, at this time is in a state of sleep, the urine is concentrated, calcium through the kidneys more, easy to get stones.
2, the body lacks lactase people
Everyone knows that this problem is also called lactose intolerance. Milk has a high content of lactose, lactose can not be directly absorbed by the body, must be hydrolyzed to galactose and glucose in the digestive tract under the action of lactase in order to be absorbed, if lactase deficiency, lactose can not be absorbed.
3, suffering from certain digestive diseases
In the past, it was believed that milk is the best food for digestive patients. Recent studies have shown that milk promotes the secretion of gastric acid more than ordinary food, thus aggravating and inducing gastrointestinal diseases. Therefore, people suffering from gastric and duodenal ulcers, ulcerative colitis, cholecystitis and other digestive disorders are advised not to drink milk.
4, abdominal surgery
This kind of people drink milk will make intestinal flatulence, is not conducive to post-operative recovery.
5, is taking iron drugs
When a person is taking iron drugs to treat iron-deficiency anemia, if you drink milk in the calcium and phosphate will be combined with iron drugs to affect the effectiveness of the drug.
6, lead workers
Lactose in milk can promote the absorption and accumulation of lead in the body, causing pain, diarrhea. As a result, it can aggravate and cause lead poisoning, dizziness, insomnia, fatigue and other symptoms.
Expanded:
Other contraindications to drinking milk:
1, avoid sunlight
Vitamin B and vitamin C in fresh milk will disappear quickly after being exposed to sunlight, even if it is a weak sunlight for more than 6 hours, it will make vitamin B reduced by half. Therefore, it is best to use colored or opaque containers and store milk in a cool place.
2, should not be frozen
Milk after freezing, where the fat, protein separation, casein was powdered condensation, the taste of milk will be significantly weakened, the nutrients are not easy to drink milk taboos: 6 types of people do not drink milk before going to bed to be absorbed.
People's Daily News - drinking milk taboo: 6 types of people do not drink milk before going to bed