Addiction recovery is one of the most difficult things that a person can do.

But — here’s what most people don’t understand about that process. Literally amazing things are happening to the body during recovery. When what’s going on is understood, every day becomes an opportunity to get a little stronger.

Dive in…

The body undergoes a significant transformation during outpatient recovery. Exercise plays a crucial role in facilitating that transformation.

What You’ll Learn

• What Recovery Really Does to the Body
• The Physical Effects of Substance Withdrawal & Recovery
• How Exercise Works as a Recovery Tool
• Which Types of Exercise Are Most Effective?
• How to Create an Exercise Habit That Sticks

What Recovery Really Does to the Body

Partial hospitalization program addiction treatment isn’t just group therapy sessions and counseling. It is a medical process that allows the body the time and space it needs to heal itself.

When entering structured outpatient care in Fairfax County, the body begins to reset as soon as the substances stop flowing. The central nervous system needs to calibrate now that it isn’t being supplemented by drugs or alcohol. Other bodily functions that became suppressed — or elevated — during substance use need to learn how to stand on their own again. Withdrawal is hard for a reason.

9.8 million people sought outpatient care for substance use disorders in 2023. That’s millions of people who kicked the hardest addiction their body was holding onto.

The Physical Effects of Substance Withdrawal & Recovery

Here is what’s really happening.

Whenever a substance is taken and then stopped, the body goes through phases of withdrawal and healing. Depending on what substance was used, those phases will look different.

Phase 1 – Acute Withdrawal (Days 1–7)

The central nervous system struggles the most during this phase. A number of withdrawal symptoms fall under this umbrella. Here are some examples:

• Sweating / chills
• Trouble sleeping / wanting to sleep all the time
• Muscle pain and fatigue
• Heart palpitations
• Nausea / lack of appetite

Phase 1 is intense. But it is also very short-lived. Medically supervised outpatient care is able to help make symptoms manageable.

Phase 2 – Post Acute Withdrawal (Weeks 2–8)

Most people misunderstand what withdrawal really feels like. After the initial shock to the system is over, the brain starts to readjust its chemistry.

Dopamine and serotonin levels are going crazy during this stage. Both of these chemicals fluctuate wildly during addiction. The brain tries to reestablish balance once the substance is out of the picture.

Because of that, there will be emotional swings. Fatigue. Difficulty thinking clearly. An intense craving when passing a familiar trigger on the street.

It’s why medically supervised PHP care is so important. A partial hospitalization program addiction structure gives someone to talk to every single day about what they’re feeling. Nobody is alone in learning how to regulate these chemicals naturally again.

Phase 3 – Early Stabilization (Months 2–6)

Brain chemistry starts to look normal again. Sleep improves. Energy comes back. A sense of self returns.

Except sensitivity remains. Relapse is a very real possibility throughout this phase.

Upwards of 50% of people suffering from substance use disorders experience relapse. That is not because brain chemistry doesn’t want to get better. Recovery is hard, and early stabilization is often when life delivers the hardest lessons.

Exercise helps.

How Exercise Works as a Recovery Tool

The body is being paid attention to like never before during recovery. Things that never used to cause anxiety now cause physical stress responses.

Exercise has been shown to help with both cravings and depressive symptoms for those in recovery. When the mechanism is understood, it starts to make sense why.

Here’s the science behind it.

Exercise creates dopamine responses in the brain. The same dopamine that was gamed by substance use. When the body moves on a regular basis, the brain is literally being retaught how to create dopamine naturally again.

But that’s not all:

• Regular exercise improves sleep during the post-acute phase
• Exercise lowers cortisol levels (the “stress hormones”)
• Working out builds self-efficacy — the belief that change is possible
• Exercise creates routine. Structure is everything in recovery.

Physical activity isn’t a cure-all. But it absolutely has the power to change how recovery unfolds. Especially when working with a treatment center that prioritizes fitness.

Which Types of Exercise Are Most Effective?

Running into the ground isn’t the goal here. Especially early on in recovery. The aim is to pick something that can be stuck to. Here are some of the best types of movement:

Aerobic Exercise

Anything that gets the heart rate up a bit and causes a sweat. Walking, biking, swimming, light jogging. This type of movement triggers the biggest dopamine and endorphin release. Just 20–30 minutes per day makes a real difference to mood and cravings.

Strength Training

Bodyweight movements or lifting weights helps build a sense of physical strength. Everyone feels fragile in early recovery. Building out of that mentality is powerful. Strength training also improves sleep quality and reduces anxiety.

Yoga & Breathwork

PHP recovery programs love yoga because it forces focus on the nervous system. Substance use keeps the sympathetic system (the fight or flight response) activated at all times. Yoga helps slip into parasympathetic overdrive — the part of the nervous system that supports rest and digestion.

Group Fitness

Group fitness classes, team sports, walking groups.

1. Community becomes a powerful support.
2. Any chance to get people working out together is a chance to strengthen that social fabric.

Group exercise holds people in recovery accountable in a way that solo exercise simply can’t.

How to Create an Exercise Habit That Sticks

Here’s the truth — the body is going to feel different during recovery. Exercise can feel daunting when things are already unfamiliar.

But it doesn’t have to be intense. Start with a 15-minute walk every single day. Walk after group therapy, or after dinner. Pick one activity that feels accessible. Pair it with a habit already in place, and track progress with a simple calendar. Give it two weeks to build that habit before increasing the duration or intensity.

Master that, and the foundation is there for anything.

Don’t forget why the work started. When motivation is hard to find, remember that exercise is one of the single best things that can be done for the body. Helping the brain understand that it is being taken care of will spill over into the rest of life.

Conclusion

Addiction takes a serious toll on the body. Recovery is the chance to get serious about taking care of it again.

The great part about PHP programs is that they create structure for doing exactly that. Eating right, sleeping well, and using exercise as a tool to keep improving.

76% of people who become addicted do recover. That recovery is possible, and it is worth believing.