Erectile dysfunction is defined asinability to sustainfirm erection, it interferes with sexual activity because of trouble in getting enough firm erection.

What are the causes of Erectile Dysfunction?
Poor blood flow
Less exercise
Hormones Imbalance
Peyronie’s disease
Heart disease
Diabetes
High blood pressure
chronic illnesses
cholesterol high
Problem in relationship
Obesity
Low testosterone levels
Fatigue
kidney disease
Old age
Stress
Sleep disorders
Drugs
Excess Alcohol
Anxiety
depression
Tobacco
Injury to pelvic area (e.g injury, surgery)

What are the symptoms of Erectile Dysfunction?
Difficulty in getting erection
Fear of sexual activity
Trouble in keeping erection sustain during intercourse
Decreased sex urge
Decreased confidence
Depression
Anxiety for intercourse
premature ejaculation
inability to achieve orgasm
Ejaculation delayed

How lifestyle changes affect Erectile Dysfunction?
Quit drugs
Stop smoking
Avoid alcohol
Reduce weight
Regular exercise
In case of anxiety or stress go for counselling Manage Diabetes
Manage cholesterol

How to diagnose Erectile dysfunction?
Blood test (to know testosterone level, Hormonal imbalance, Diabetes, Cholesterol)
Ultrasonography (Penile Doppler)
Urine test
Pelvic X-ray