Those are the addictions, caused by in-taking different substances, whether orally, by inhaling or through injections. The main difference from behavioral addictions is that the body of the addicted person gets addicted together with the mind. This is why treatment of those addiction might require serious medical help for both extremely strong periods of withdrawn and supportive therapy that might sometimes take years. 

Smoking 

It is the burning and inhalation of tobacco, tobacco based cigarettes, cigars or marijuana characterized by bad smell, brown decayed teeth, stress and insomnia. 

Alcoholism

It is a primary chronic disease with genetic, psycho-social and environmental factors influencing its development that is characterized by heavy alcohol use with an inability to control it, the need for more and more alcohol to achieve satisfaction, potential morbidity and withdrawal symptoms such as insomnia, anxiety, confusion. 

General

- premature death
- stress
- insomnia and other sleeping disorders
- anxiety
- confusion
- cancer
- depression

Smoking

Smokers have an increased risk for developing diseases such as bronchitis, asthma, persistent coughing, cancers (mouth, throat, bladder, pancreatic, skin, lung, cervical, blood / leukemia), heart diseases, raised blood pressure, stroke, heart attack, cardiovascular disease, increased cholesterol, constricted vessels), chronic obstructive pulmonary disease, type 2 diabetes, developing cataract.
Reproductive system: infertility; women who smoke during pregnancy have more still births, miscarriages, premature deliveries.
Appearance-related issues: wrinkled skin, smelly hair, unhealthy teeth (periodontosis), yellow fingers, fungal nail infections, hair loss. 

Alcohol

Cancer (mouth, throat, lungs, liver, breast, esophagus, colon), cardiovascular disease, heart attack, stroke, high blood pressure, cardiomyopathy, bradycardia, cirrhosis (scarred liver), dementia, crucial effects on the executive functions (memory solving problems, tremor, blackouts, etc.), alcoholic nephropathy (constipation, muscle weakness, feeling of numbness, muscle cramps). Stomach irritation (gastritis, etc.), diarrhea, pancreatitis, bleeding from the stomach, diabetes, sexual dysfunction, erectile dysfunction, infertility,  extreme expose to sexually transmitted diseases, thinning of bones (osteoporosis), changes in coordination, hallucinations, blurred speech. 

Your will is fundamental. You make the difference!
Professional medical advice is required. Not only to fight the addiction or recovery period but also to prevent further health problems, that might be cause by being previously addicted to substances. Physiological addiction should not always be quit at once - sudden quitting might cause very stressful reaction of human body and the consequences might be tragic.

Smoking
1. Try to find a structure or organization where you can find help.
2. Consider the counselling. To quit smoking is a good thing for your health and someone can help you.
3. Talk to someone who quit smoking so that you have a good example..
4. Try to find a real reason of your addiction and fix the reason. Then an addictive replacement might become simply unnecessary.

Alcohol
Only one solution does not exist, consider these suggestions: take off every kind of alcoholic drinks you have at home; if possible, don`t go out with people who drinks a lot; doing something else, check if in your town there are activities you like; find people who could help you, sharing with a group could be useful for you. You are not alone! Remember: deciding to quit to drink alcohol means you want to better yourself. That is very important!
Such nontraditional methods as hypnotherapy, coding, anti-nicotine plaster can also be helpful. 

Those are mainly non-substance related behavioral addictions. They are not listed in any of internationally used diagnosed manual of mental disorders (e.g. DSM-IV-TR or ICD-10) but are recognized as actual addictions. 
This type of addiction is characterized by using a non-substance source of stimulation and relates to people, addicted or dependent on certain experiences. Behavioral addiction can further lead to a substance addiction as well. 
Gambling, video games playing, extreme sports and physical exercise, media use, eating disorders, compulsive criminal behavior, pathological working, sex addiction, excessive emotional involvement in interpersonal interactions – all these practices are recognized as psychological or behavioral addictions. 

Internet Addiction

Refers to behaviors, involving excessive use of Internet and Internet caused or based technologies. 
The London School of Economics (LSE) refers to five main components, characterizing Internet addiction:
• Undergoing periods of not eating or sleeping because of Internet
• Experiencing boredom when not being able to connect to Internet
• Surfing through Internet even with no particular interest
• Decreased time spent with family, friends or in social / study / working places because of the need to stay on the Internet. 
• At least one unsuccessful attempt to spend less time on the internet
Psychologically vulnerable people or those who have blank sport is offline lives are those who are mostly exposed to develop this kind of addiction. 

Technology Addiction

Often includes gambling, on-line or off-line gaming, television compulsion, excessive use of digital devices (such as smartphones, phones, computers / laptops, tabs, e-books, etc.).
Refers to the technology based activities, involving salience (primacy of a certain activity over others), mood modification (buzz, high, escape-feeling), tolerance (increasing amounts of a certain activity to reach satisfaction + withdrawal symptoms when the activity is omitted), conflict (interpersonal conflicts within addicted people), and relapse (tendency to go back to the activity after some periods of abstinence).  

Eye problems and relative health problems, cause by unhealthy lifestyle.

• insomnia
• depression
• social withdrawal
• anxiety
• increased exposure to get a physiological addiction
• financial problems, connected with excessive use of expenditures for Internet and / or devices
• social isolation
• failures in public sectors of life (e.g. school, university, work, etc.)
• hostility and uncontrolled aggression
• anger management problems
• loss of interest in other spheres of life

You could start to ask yourself how many hours you spend on social network or with the device during the day; try to put a limit of time when you are on social networks or you use technologies; try to go out without phones or other technological objects you involve too much; if you haven`t anyone to speak to consider asking for help from a professionals.