Improve Quality of Life With MS: 6 Lifestyle Changes That Changed My Life

How do you improve quality of life with MS? That’s exactly what I was trying to do when I began making changes in 2014. Back then, I was trying to improve my walking, balance issues, and drop foot. Improving my heat intolerance wasn’t even on my mind after spending about twenty years struggling. I simply wanted to make it through each summer without my body shutting down.

If you live with MS, you probably know exactly what I mean. The second the temperature climbed, my body would start to shut down. My vision would blur. My legs would go weak underneath me. My face would turn bright red, almost like a switch had flipped. And recovery wasn’t quick — it would take hours just to feel like myself again.

This is MS heat intolerance (sometimes called Uhthoff’s phenomenon), and for two decades, I assumed it was just something I’d have to live with for the rest of my life. I was wrong. In 2014, I made changes to my diet and lifestyle that I never expected would touch my heat intolerance at all — and within three months, it was gone. Eleven years later, I can still spend time outside on 100°F days without my body shutting down on me.

This post is my story, plus what the research says about why these changes may have worked. My hope is that my experience encourages others looking to improve quality of life with MS through sustainable lifestyle changes.

What MS Heat Intolerance Actually Is

Heat intolerance in MS happens because heat slows the conduction of nerve signals along demyelinated nerve fibers. Even a small rise in core body temperature — from weather, a hot shower, exercise, or a fever — can temporarily worsen symptoms like vision changes, weakness, fatigue, and brain fog. For many of us, it’s one of the most disruptive and least talked-about parts of living with MS.

I tried strict MS diets for years before this. Every one of them brought some benefit, but none of them touched my heat intolerance. So when I decided to alter my diet to fit my own body’s needs in 2014, I wasn’t expecting heat intolerance to be the thing that changed. These are the lifestyle changes that helped improve my quality of life with MS, even though I originally made them for completely different reasons.

Lifestyle Changes That Improved My Quality of Life With MS

A few specific shifts made the biggest difference for me:

Reducing high-histamine foods. I cut back significantly on foods high in histamine, which seemed to calm a lot of the inflammatory response I was dealing with.

Adding more leafy greens, cruciferous vegetables, and flaxseed. I leaned hard into leafy greens and cruciferous vegetables. My trick for getting enough cruciferous veggies in without effort: I add frozen cauliflower rice to my morning smoothie. It sounds strange, but you genuinely cannot taste it — it’s one of the easiest ways to work more cruciferous vegetables into your day without choking down a plate of steamed broccoli. Flaxseeds became a regular part of my daily routine because they’re an easy way to add fiber and plant-based omega-3s. If you’re curious about why I included them, read How Flaxseeds Help MS Symptoms Naturally (For Under $5!).

Getting my vitamin D level tested — then supplementing appropriately. I had my vitamin D tested and found I was at the very bottom of the average range. My doctor recommended a higher dose based on that result. This part matters: get your levels tested before you start supplementing. Vitamin D status varies a lot person to person, and dosing should be based on your actual numbers, not guesswork. Correcting my vitamin D level became one part of a bigger effort to improve quality of life with MS.

Working on stress — including how I talked to myself. This wasn’t just about reducing daily stressors. It was about changing how I reacted to stress and how I spoke to myself internally. I had a moment of realizing that if I spoke to a friend the way I sometimes spoke to myself, that friendship wouldn’t survive. That shift in self-talk became as important as anything dietary.

Spending real time outside, in nature. Living rurally, I made a point of getting outside regularly. It’s remarkably calming, and it became part of my daily rhythm rather than an occasional activity.

Moving constantly, in small ways — not formal exercise. This is the one people are most surprised by. I’m not talking about a 30–45 minute workout. I mean movement woven into the day: walking every hour, using a loop band on my arms or legs while doing other things, squats while brushing my teeth, marching in place while the blender runs, leg extensions and ankle circles while watching TV. None of it feels like “exercise,” but it adds up to a body that’s rarely fully sedentary.

Research can’t explain every personal experience, but it can help us understand why some lifestyle habits may improve quality of life with MS.

Why This Might Work: What the Research Says

I’m not a doctor, and I’m not claiming this is a cure — MS affects everyone differently, and what worked for my body won’t necessarily work the same way for yours. But there is real research connecting vitamin D status to MS disease activity. A review published via the National Center for Biotechnology Information found that vitamin D has a strong and consistent inverse association with both MS risk and clinical course, based on data showing people with MS tend to have lower levels of the marker used to measure vitamin D status compared to people without the condition.

You can read more on NCBI here.

This doesn’t mean vitamin D alone “fixed” my heat intolerance. It’s far more likely that the combination — reduced inflammatory triggers, corrected vitamin D status, lower stress reactivity, and consistent low-impact movement — worked together. But vitamin D was the piece I hadn’t tried before, and it’s the piece that seemed to coincide most directly with the change.

Testing It For Myself

I didn’t just notice the change once and assume it was permanent. I tested it deliberately, over and over, on actual 100°F days. Every single time, my body held up. No collapse. No hours-long recovery. That repeated testing is what convinced me this wasn’t a fluke or a good week — it was a real, lasting shift. It’s now been eleven years since I made these changes, and the improvements I experienced have lasted.

How to Improve Quality of Life With MS

If you’re looking to improve quality of life with MS, these are the first steps I’d consider based on my own experience:

1. Ask your doctor for a vitamin D blood test before supplementing.
2. Look at your current diet for high-histamine and inflammatory foods you could reduce.
3. Find one easy way to add cruciferous vegetables to a meal you already eat daily (the smoothie trick works).
4. Notice your self-talk for a few days — would you talk to a friend that way?
5. Build in small, frequent movement rather than committing to a big workout you won’t sustain.

None of this is a guarantee — MS is different for everyone, and I’m sharing what worked for my body, not a prescription. But if you’ve spent years assuming heat intolerance is just something you have to endure, I’d encourage you to know that it isn’t necessarily permanent.

Looking back, I wasn’t chasing a cure—I simply wanted to improve my quality of life with MS. The disappearance of my heat sensitivity was an unexpected bonus that completely changed how I experience summer. Everyone’s journey is different, but these habits helped improve quality of life with MS in ways I never expected.

If you want a more structured starting point, my Vitamin D Healing Guide walks through exactly how I approached testing, dosing conversations with my doctor, and the dietary changes I made alongside it. Get the vitamin D guide here.

This post shares my personal experience and is not medical advice. Talk to your doctor before changing your diet, starting supplements, or altering your MS management plan.