How can training specifically for a sport to prevent injury?

Training specifically for a sport will allow a person to strengthen and develop the major muscle groups, movements, and energy systems that are unique to that particular sport

Ik that weed can cause brain damage, but are you telling or asking?

Personality is a mixture of characteristics/qualities that form an individual's distinctive persona. it can be influenced by environmental and biological factors; one's culture is a most important factor that shape personality. extreme mood swings, unstable relationships, distorted self-image, impulsive/risky behavior, explosive anger, chronic feelings of sadness/emptiness, etc. these could indicate that someone could have a personality disorder.