La primavera la sangre altera

The video explains allergies as exaggerated immune responses to harmless substances, influenced by environmental factors and cleanliness. It discusses the hypothesis that a lack of exposure to bacteria and viruses in clean environments may lead to allergies. The prevalence of allergies varies between developed and developing countries, and urban and rural areas. Rare allergies, such as those to water and sunlight, are highlighted, along with a case study on semen allergy treatment. The video concludes by suggesting that spring affects the immune system.

What is the primary cause of allergic reactions according to the video?

• Bacteria invading the immune system

• Viruses attacking the body

• Immune system's exaggerated response to harmless substances

• Genetic mutations in the immune system

How does living in a very clean environment potentially affect the immune system?

• It has no effect on the immune system

• It may lead to an improperly trained immune system

• It causes the immune system to become lazy

• It strengthens the immune system

Which of the following is NOT mentioned as a rare allergy in the video?

• Allergy to latex

• Allergy to sunlight

• Allergy to pollen

• Allergy to water

What unusual treatment was prescribed for a patient with semen allergy?

• Having sex every other day

• Undergoing surgery

• Taking antihistamines daily

• Avoiding all contact with allergens

What is suggested to be altered by spring according to the video?

• The respiratory system

• The immune system

• The blood

• The digestive system