FAQs on Detailed Explanation: Common Diseases in Humans- 2 Video Lecture - Biology Class 12 - NEET
|1. What are the most common diseases in humans?
Ans. The most common diseases in humans vary depending on factors such as geographical location, age, and lifestyle. However, some of the most prevalent diseases globally include cardiovascular diseases (such as heart disease and stroke), respiratory infections (such as pneumonia), cancer, diabetes, and HIV/AIDS.
|2. What causes cardiovascular diseases?
Ans. There are several factors that contribute to the development of cardiovascular diseases. The primary risk factors include high blood pressure, high cholesterol levels, smoking, obesity, lack of physical activity, unhealthy diet, and excessive alcohol consumption. Additionally, genetic factors and family history can also play a role in predisposing individuals to cardiovascular diseases.
|3. Can respiratory infections be prevented?
Ans. While it may not be possible to prevent all respiratory infections, there are certain preventive measures that can significantly reduce the risk. These include practicing good hand hygiene by frequently washing hands with soap and water or using hand sanitizers, avoiding close contact with individuals who have respiratory infections, covering the mouth and nose when coughing or sneezing, getting vaccinated against respiratory infections such as influenza, and maintaining a healthy lifestyle with adequate sleep, proper nutrition, and regular exercise.
|4. How can one reduce the risk of cancer?
Ans. While there is no guaranteed way to prevent cancer, certain lifestyle choices can help reduce the risk. These include avoiding tobacco products and exposure to secondhand smoke, limiting alcohol consumption, maintaining a healthy weight through a balanced diet and regular exercise, protecting oneself from excessive sun exposure, getting vaccinated against cancer-causing viruses (such as human papillomavirus and hepatitis B), and undergoing regular screenings for early detection of cancer.
|5. Is HIV/AIDS still a major health concern?
Ans. Yes, HIV/AIDS continues to be a major global health concern. Despite significant advancements in treatment and prevention, millions of people are living with HIV/AIDS worldwide, and new infections continue to occur. It is important to raise awareness about HIV/AIDS, promote safe sexual practices, encourage regular testing, and ensure access to antiretroviral therapy for those living with the virus.