Inventory: Eight checks that men need to do after they turn 30

　　cholesterol
　　
　　Possible symptoms: No obvious symptoms.
　　
　　When to check: It is recommended to have your cholesterol checked once a year.
　　
　　blood pressure
　　
　　Possible symptoms: Frequent dizziness, nausea, and headache in the morning.
　　
　　When to check: Under normal circumstances, it is recommended to have blood pressure measurement once a year. People with family history, high work pressure, alcoholism, and smoking should pay special attention to the examination of hypertension, and it is best to bring their own blood pressure measuring equipment.
　　
　　genitals
　　
　　Possible symptoms: testicular enlargement, lumps inside, testicular pain.
　　
　　Examination content: It can be detected through testicular examination, blood test, urine test, etc. cancer exists.
　　
　　When to check: Self-examination is an important way to check for testicular cancer. It is best to do it once a month. When you feel a lump or falling sensation during your initial self-examination, you should go to the hospital immediately. Hospital Do further inspection.
　　
　　Eye
　　
　　Possible symptoms: reduced vision, easy eye fatigue, pain, dryness, blurred vision, sensitivity to light, and even headache and nausea at the same time.
　　
　　Examination contents: myopia, hyperopia, amblyopia, astigmatism, glaucoma, cataract, presbyopia, diabetic retinopathy. If you usually wear glasses or contact lenses, you need to check your vision regularly.
　　
　　When to check: Under normal circumstances, an eye exam is required every two years. Have a history of diabetes, high blood pressure or family eye disease male , your eyes need to be checked at least once a year.