The fact that a woman’s age affects the future baby, the risk of developing pathologies in him, is known to many: when a pregnant woman is older than 35 years old, the probability of mutations in the fetus increases. But it turns out that the age of the father also matters for the health of the child.
Probability of conception
Men, unlike women, can become fathers at any age – their sperm production does not stop over the years. But sperm quality is getting worse. Sperm motility is reduced, making it harder for them to reach the egg. Their endurance decreases, and the sperm cannot penetrate the egg shell. In addition, the muscles of the perineum become weaker and do not provide the necessary contractions of the penis. Continue reading
Today the word “immunity” is heard. We all know that immunity must be enhanced, strengthened, strengthened. And when it weakens, we begin to hurt. And what is included in this concept? How, how, where is immunity formed?
Immunity – what is it?
The protection of our body from various pathogens: toxins, germs, viruses – and this is immunity – is carried out by various organs. The main ones include bone marrow (red) and thymus (thymus gland), where lymphocytes are formed – the main cells of the immune system. B-lymphocytes are formed in the bone marrow, as well as precursors of T-lymphocytes, the latter differentiate (turn) into T-lymphocytes in the thymus. Continue reading
The topic of vaccination is very acute. Fierce debate about whether vaccinations should be given, whether it is safe, do not subside. Doctors convince us that vaccination alone can protect us from deadly diseases.
In turn, opponents of vaccines give stories about the dire consequences of vaccines. Who is right? Is vaccination necessary? How dangerous is vaccination? And who really needs vaccinations?
What is vaccination for? Continue reading