Answer:False , smoking marijuana over an extended period of time has been found to have an effect on one's health.
Explanation:Marijuana is a famous drug that is usually considered harmless but it is still a drug and because it is , it can have a long impact on the brain which doesn't appear earlier on but only years later .
Long-Term Effects
Researcher have discovered some long term effect of using marijuana for an extended period of time
For example:
Changes in the brain function mostly the part of our memory get affected and one's own ability to focus .
Fertility issues. Some research has found a decreased sperm production in males and a delayed ovulation in women or women who are likely to give birth to kids with behavioral issues or developmental issues
Respiratory problems. People who smoke marijuana are likely to be affected by chronic cough and bronchitis.
Immune system becomes weaker that it cant fight infections for that person.