10 Healthy Things That Are Actually Unhealthy
Daryl C. Rich, D.C., C.S.C.S.
[Core] Chiropractic and Wellness
We all chase “healthy” habits like gym sessions, light lunches, and better-for-you products. But some popular choices carry hidden downsides that can quietly undermine your goals. Here’s a breakdown of 10 commonly praised things—with clear reasons why they may not be as beneficial as marketed. The aim is smarter balance, not fear. Let’s dive in.
- Workouts That Are Mostly Cardio
Long runs, cycling, or steady treadmill work often seem like the best path for heart health and fat loss. Moderate cardio helps, but excessive endurance training can cause problems. Chronic high-volume sessions may lead to heart remodeling, including patchy fibrosis, stiffened arteries, and higher risk of atrial fibrillation in veteran athletes. It can also promote muscle loss without strength training, raise cortisol, suppress immunity, and trigger overtraining symptoms like fatigue and stalled progress. Balance with resistance training, short HIIT, and recovery days for better long-term cardiovascular health and fitness.
- Deli Meat
Turkey, ham, and salami slices feel like convenient, lean protein options for lunches. Most are heavily processed with nitrates or nitrites that form compounds linked to higher colorectal cancer risk. The World Health Organization classifies processed meats as Group 1 carcinogens, with ties to colorectal and stomach cancers plus elevated heart disease and diabetes risks from high sodium and additives. Even “nitrate-free” versions often use celery sources that still convert to nitrites. Choose fresh, unprocessed meats or limit deli slices—read labels and opt for minimally processed alternatives.
- Avoiding or Limiting Salt
Decades of advice push low-sodium diets for heart protection. Yet very low intake (below recommended levels for many) can activate stress hormones, raise insulin resistance, increase LDL cholesterol, and paradoxically link to higher mortality in some studies via a J-shaped risk curve. Sodium is essential for nerve function, muscle contraction, and fluid balance—our bodies need a minimum daily amount. Risks often stem more from processed foods than home cooking. Reduce intake of ultra-processed items instead of blanket restriction on salt, especially if active or sweating heavily.
- Diet Soda
Zero-calorie diet sodas appear ideal for weight control with no sugar. However, artificial sweeteners like aspartame and sucralose may alter the gut microbiome, disrupt metabolism, increase sweet cravings, and link to weight gain or higher diabetes and cardiovascular risks in long-term studies. They offer zero nutrition and may affect insulin responses or brain reward pathways. Some carry ongoing debate about other potential effects. Swap for plain or sparkling water with lemon, or unsweetened teas, for cleaner hydration without the chemical load.
- Limiting Red Meat
Red meat often gets labeled harmful for heart health due to saturated fat, with advice to favor chicken, fish, or plants. Yet quality grass-fed or pasture-raised cuts deliver bioavailable iron, zinc, B12, and complete protein that can be harder to obtain optimally elsewhere. While excessive processed or factory-farmed red meat shows links to higher risks of heart disease, diabetes, and certain cancers, moderate unprocessed amounts in a balanced diet don’t demonstrate the same clear harm for everyone. Avoid nutrient gaps by choosing well-sourced options and pair them with plenty of green vegetables, not just white potatoes or French fries. The fries are way more harmful than the red meat.
- Supplements from Grocery Stores or Amazon
Shelf and online multivitamins, powders, and capsules promise easy nutrient fixes. Many lack strong regulation, with tests frequently revealing products containing far less (or none) of the labeled ingredients, heavy metal contamination, or other quality failures. Grocery and Amazon options are often low-dose or poorly absorbed forms. Without third-party testing (like USP or NSF), you risk ineffective or even harmful products. Prioritize whole foods first; if supplementing, select verified brands and use bloodwork-guided choices under professional advice rather than marketing hype.
- Salads
A big bowl of greens feels like a virtuous, low-calorie choice. Many restaurant or pre-made salads hide hundreds of extra calories from creamy dressings (ranch or Caesar can add 200–300+ calories), cheese, croutons, candied nuts, or fried toppings—sometimes rivaling a desert’s total. Plain greens alone may lack protein or fats for satiety, leading to later overeating. Build smarter versions: load vegetables, add lean protein like grilled chicken or beans, and use olive oil + vinegar dressing on the side. A thoughtful salad works well; the default often doesn’t deliver the expected benefits.
- Bottled Water
Marketed as pure and superior to tap, bottled water often contains far more microplastics and nanoplastics (tens of thousands per liter in some cases) shed from the plastic itself, especially when heated. These particles raise concerns for inflammation, hormone disruption, and potential long-term accumulation, though human effects are still being studied. Production also creates major plastic waste. In areas with safe tap water, a reusable glass or stainless steel bottle with a filter is usually cleaner, cheaper, and more environmentally friendly. Test your tap if worried and avoid storing plastic bottles in hot conditions.
- SPF Sunscreen (Chemical Versions)
Chemical sunscreens with ingredients like oxybenzone or octinoxate protect against burns and skin cancer. Yet many absorb into the bloodstream and show potential endocrine-disrupting effects in studies, influencing hormones like estrogen or testosterone. They can cause allergic reactions and harm marine life, including coral bleaching. Mineral options using zinc oxide or titanium dioxide sit on the skin with generally better safety profiles. Choose broad-spectrum non-nano mineral formulas, combine with clothing, hats, and shade during peak sun for balanced protection without heavy chemical absorption.
- Microwave Popcorn
Quick and low-cal, microwave popcorn seems like an easy snack. Bags often contain PFAS (“forever chemicals”) for grease resistance that can migrate into the food, leading to higher blood levels linked to immune issues, hormone disruption, and other risks. Some flavors historically used diacetyl tied to lung problems (now largely phased out). High sodium and artificial additives add concerns. Air-pop plain kernels on the stove or in a silicone popper, then season with real butter, herbs, or nutritional yeast for a much cleaner option free of packaging chemicals.
Wrapping Up: Smarter Choices Add Up
These staples aren’t villains in strict moderation, but over-reliance on marketing can quietly hinder wellness. Focus on whole foods, balanced movement (strength plus cardio), quality sourcing, and label awareness. Small swaps compound powerfully. What’s one change you’ll test this month? Share below—we love reader feedback. Stay informed and healthy!
