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Dr. Stevens has been a Certified Personal Trainer through the American Council on Exercise since 2007 and has pursued additional training in corrective exercise, yoga, medical fitness, and metabolic health. Her work reflects a long-standing interest in plant-based nutrition, therapeutic stretching, and hands-on approaches to movement and recovery. She has a background in elite endurance sports and mixed martial arts, and has spent many years training and coaching across a wide range of athletic and clinical settings.
Most people own a scale. Most people also know how misleading a scale can be.
One day you’re “up.”
The next day you’re “down.”
Nothing about your training changed — but the number did.
That’s because body weight alone tells you almost nothing about what’s actually happening inside your body.
At FITNESS SF, we believe great results are built on three pillars: training, recovery, and nutrition. Most members invest time and energy into their workouts. Many improve their sleep. But nutrition? That’s where even highly motivated people often struggle.
Many people judge how alcohol affects them by one simple metric: “Do I get a hangover?”
If the answer is no, it’s easy to assume alcohol doesn’t really impact your health or training. But emerging research suggests something important—and uncomfortable—about that assumption. A 2023 study published in Addictive Behaviors found that a single evening of alcohol consumption reduced next-day immune fitness in everyone—including people who reported no hangover symptoms at all.
You’ve probably heard this one on the gym floor: “Should I do intervals or just get on the treadmill and grind it out?” Behind that question is a real worry: Am I wasting my time if I don’t do HIIT?
With the media attention paid to paleo, keto, and carnivore diets, along with a surge of enthusiasm for strength training and protein intake, the high-protein approach seems like it's everywhere. "I’ve been eating low-carb, high-protein to lean out."
Parkinson’s disease isn’t rare. It is the second most common neurodegenerative disorder after Alzheimer's.
When a new or returning member sits down with me at FITNESS SF, I’ll often hear
Hot flashes aren’t subtle. They interrupt your workday, your sleep, your confidence, and your quality of life. Hormone therapy can help, but many women want additional options — especially lifestyle approaches that support long-term health.
We often think of stress as a feeling—but your body treats it as a full-scale event. And over time, chronic stress leaves measurable fingerprints throughout the body.
Most people focus on what they eat and how much, but rarely on when. Yet your body runs on a 24-hour internal rhythm — a circadian clock — that orchestrates hormone release, metabolism, digestion, recovery, and energy.
