Very interesting secrets about the heart and blood that you have not known for years

The heart and blood stream are not only important to living organisms, but also a metaphor for the most precious things of man. However, if asked to show how amazing these two parts are, everyone faltered for a few seconds.

1. You may not know the blood in your body is so magical

According to calculations by experts from Globis University (Japan), it takes 1,120,000 mosquitoes to suck the blood of an adult. This is because the human body has about 4.5 to 5.5 liters of blood. Meanwhile, each mosquito can only cost us about 3-4 parts per million liters of blood. In addition, people who lose 40% of their blood still have the ability to survive if given a timely blood transfusion.

To pump blood to feed the body, the heart has created such a pressure that it is capable of spewing blood columns higher than 9 meters. On the other hand, the blood circulation within 25 days is equal to an average pool.

2. Special medical case: People without pulse, people without . heart!

In 2011, doctors introduced an "artificial heart" into a male patient, Craig Lewis, Texas, USA. This allowed blood to circulate throughout Mr. Lewis' body even though he no longer had a pulse. The patient passed the next 5 weeks before losing because of underlying disease. Still, the doctors said his artificial heart was still working very well until his death.

Patient Craig Lewis. (Photo: Reddit).

In 2016, patient Stan Larkin (26) experienced another wonderful miracle of medicine. Larkin needs a heart transplant, but while waiting for the right donor, he lived . without a heart inside his body. Instead, the young man carried an "artificial heart" in his backpack for 24 hours for 555 days. The device has a blood circulation function and keeps Larking alive, even allowing him to play basketball. Finally, Larkin underwent heart transplant surgery on May 9, 2016 in the burst of himself, his family and the medical doctor.

Patient Stan Larkin. (Photo: Daily Mail).

3. People often have a heart attack on Mondays and Fridays

According to a report in the European Journal of Epidemiology in 2005, about 21% of heart attacks occurred on Mondays. The next "peak" is on Friday. The research team thinks that severe stress at the beginning or the end of a stressful working week is the reason for the arrhythmia, stroke .

On the other hand, to reduce the risk of a heart attack, we should get out of bed slowly, slowly in the morning as well as limit the amount of high-intensity exercise in the evening.

4. The truth about the beating of the heart

The pulse can affect our mood. A team from Favaloro University (Argentina) once had the opportunity to observe a patient who had a heart transplant. After the surgery, the patient's heartbeat changed and his personality, emotions, and actions changed noticeably.

In addition, energy drinks are very easy to change the pulse. German scientists have discovered that some energy drinks have 3 times the caffeine content of coffee or soda. Drinking too much energy drink increases the risk of seizures or strokes.

5. Blood type can affect marriage, health

A 2015 study of Islamic Azad University (Iran) showed the relationship between the blood type of couples and the rate of separation. Accordingly, the combination of the two types of blood type O will be the most stable, while the easiest group to break up is A + AB or A + O. There are several hypotheses, including the incompatibility of personality. , then DNA affects behavior . But overall, this is just a small study with reference properties.

According to a 2012 study by Harvard, experts have shown that blood type can determine which disease you are most susceptible to.

• Blood type O is favored to possess genes that help them less suffer from cardiovascular diseases. But in return, they have a higher risk of skin cancer and obesity formation.
• Blood type A  should pay attention to blood cholesterol levels in middle age. They are at risk of developing coronary heart disease.
• Blood type B  is prone to diabetes and is at risk for pancreatic cancer.
• Group AB  should be careful with memory and concentration. The risk of cognitive decline in people with type AB blood is up to 82% higher than other groups.

In addition, many Japanese believe that blood type affects their personality, relationships and career.