Table of contents
- What happens in the body when you take drugs?
- What happens in the body when you drink alcohol?
- What is substance misuse?
- What are the signs of someone struggling with substance misuse?
- What are the side effects of alcohol misuse?
- What are the side effects of drug misuse?
- How can I find out if a loved one is abusing drugs or alcohol?
Alcohol and drug misuse poses a significant risk to public health, with alcohol and marijuana among the most commonly abused substances in the US.
In this article, we discuss what happens in the body when you take drugs or drink alcohol, the side effects of substance misuse, and how to spot the signs of someone who may be struggling with drug or alcohol dependency.
What happens in the body when you take drugs?
When a person consumes drugs, they are broken down by the liver, and a proportion of the drug and its metabolites are released into the bloodstream.
Some of the drug and its metabolites can then be detected in the body in different ways including in urine, saliva, hair and nails.
In the case of hair and nails, a proportion of the drug and its metabolites travel to the blood vessels in the hair follicles and nail bed.
Substances then become trapped in the hair shaft (medulla) and the keratin fibers of the nails, remaining in hair and nails as they grow, and making it possible to determine whether someone has consumed drugs, using hair and/or nail drug testing.
How a drug affects the body can depend on a variety of factors including the person’s age, weight, metabolism, the type of drug, how much of the drug is used, how often it is used, the person’s mental state when they take it, and whether they are taking other drugs at the same time.
What happens in the body when you drink alcohol?
When a person consumes ethanol – the intoxicating agent in alcoholic drinks – it is absorbed into the bloodstream, and more than 90% of it is broken down by the liver.
Alcohol metabolites are then excreted from the body in a variety of ways and can be detected using alcohol testing on a range of samples including breath, blood, hair and nails.
How alcohol affects the body can depend on a variety of factors, including age, gender, weight, and the type of alcohol the person has been drinking i.e. beers, wines or hard liquor.
As the alcohol travels to different parts of the body, including the brain, it begins to affect basic functions, such as movement, breathing and temperature control.
What is substance misuse?
Substance misuse – also known as substance abuse – refers to the use of drugs or alcohol either in excessive amounts, or for purposes other than for which they are meant to be used.
This can include anything from drinking alcohol regularly and in large quantities, to taking illegal drugs (e.g. cocaine, marijuana), or prescription drugs that have not been prescribed to you (e.g. opioids, benzodiazepines).
Routinely misusing drugs and/or alcohol can cause you to develop a harmful addiction or dependency, which can impact on every part of your life: from your job to your physical and mental health, personal relationships, and the health, safety, and wellbeing of others around you.Order a Home Drug & Alcohol Test Kit Online
What are the signs of someone struggling with substance misuse?
The signs of someone struggling with substance misuse can vary depending on a variety of factors, including:
- Their physical and mental state
- Which substance(s) they are using
- Frequency of use
- How much they are using
However, there are some common signs that you can look out for, which may indicate that a person is struggling with substance misuse or dependency/addiction, including:
- Lack of interest in personal grooming or appearance
- Reclusive behavior
- Mood swings
- Erratic or impulsive behavior
- Loss of interest in hobbies or social events
- Lack of concentration
- Reduced productivity at work or in educational settings
- Increased risk taking
- Weight changes
What are the side effects of alcohol misuse?
It is well documented that drinking alcohol chronically and excessively can cause short and long-term health complications.
However, the effects of alcohol on a person’s body can vary depending on several factors including their age, weight, gender, metabolism, the type/strength of alcohol they drink, how much and how often they drink, their mental state, and whether they use illicit drugs or prescription medications.
According to Dietary Guidelines for Americans 2020-2025, published by the US Department of Agriculture and US Department of Health and Human Services, adults of legal drinking age who choose to drink alcohol should drink in moderation.
Men of legal drinking age should limit their intake to two drinks or less per day, while women of legal drinking age are advised to limit their intake to one drink or less per day, on days when alcohol is consumed.
People who drink more than the recommended amounts or who routinely binge drink may experience side effects including:
- High blood pressure
- Problems with the immune system
- Impaired coordination
- Slower reaction times
- Slurred speech
- Mood swings
- Increased aggression and paranoia
More serious long-term complications from alcohol misuse can include alcohol-related liver disease (ARLD) and an increased risk of strokes.
Alcohol misuse has also been linked to the development of certain cancers including liver, mouth, throat, and breast cancer.
What are the side effects of drug misuse?
The effects of drug misuse on a person’s body can vary depending on several factors including their age, weight, gender, metabolism, which substances they are using, frequency of use, how much of the drug they are taking, and their mental state when taking them.
Different drug groups also affect people in different ways, depending on their chemical composition.
For example, stimulant drugs or ‘uppers’ such as cocaine, ecstasy (MDMA) and amphetamines can cause a person to feel more alert and energized.
Depressants, or ‘downers’ such as opiates (heroin, methadone, codeine) and benzodiazepines can cause a person to feel relaxed and drowsy.
However, some common side effects of drug misuse can include:
- Weight changes
- Dilated or constricted ‘pin prick’ pupils
- Scabs, scars, or other skin problems (often caused by injecting drugs)
- An increase or decrease in energy levels
- Social withdrawal
- Mood swings
- Impaired focus and/or concentration
- Increased risk-taking
- Confusion and/or disorientation
- Nausea and/or vomiting
More serious long-term complications from drug misuse can include organ damage, withdrawal symptoms when not using drugs, and certain mental health disorders.
People who inject drugs are also at greater risk of overdosing or contracting life-altering infections such as HIV, hepatitis B and hepatitis C. This risk is even greater among people who share needles.
How can I find out if a loved one is abusing drugs or alcohol?
We offer a range of home drug and alcohol test kits designed to give you peace of mind or enable you to seek support for a loved one who is struggling with substance misuse.
- Home Urine Drug Test Kit (pack of 3 – $34.95) – this easy-to-use home drug testing kit can detect drugs and their metabolites in a urine sample. The self-contained screening kit includes built-in test strips, allowing you to read the results in just 5 minutes
- Drug and Alcohol Nail Test (from $99) – this test can detect drug or alcohol use for a period of up to 12 months prior to samples being collected, with only a sample of fingernail clippings or toenail clippings required. Simply follow the instructions included in your test kit to collect your nail clipping samples and return them to our accredited laboratory for testing
Please be aware that our home drug and alcohol test kits are for peace of mind only, and the results cannot be used in court or for legal reasons.
For confidential advice about which test might best suit your needs, you can email our Customer Services team at email@example.com.
Order a Home Drug & Alcohol Test Kit
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