BrainAlcohol can damage your brain and nervous system, and increase your risk of stroke. It can also affect your memory.Heart Problems Alcohol can cause cardiovascular problems such as high blood pressure, heart damage, and heart attacks.Immune systemDrinking too much alcohol can weaken your immune system, making you more susceptible to illness.Weak BonesLong-term alcohol abuse can weaken your bones, making them more likely to break.Mental HealthAlcohol is linked to mental health problems such as depression, anxiety, and schizophrenia.Sexual HealthDrinking more alcohol can increase the risk of sexually transmitted infections (STIs) or unplanned pregnancies.Digestive problemsExcessive alcohol consumption can lead to digestive problems.BehaviorAlcohol can reduce your inhibitions and lead you to behave in ways you wouldn't normally do