Dr. Susan Carter, MD: Endocrinologist & Longevity Expert

Healthy Subway options for men: How to find low fat fast food that doesn’t wreck your numbers

Dec 25, 2025 · 12 min read

Healthy fast‑food choices at Subway come down to a repeatable formula: keep saturated fat low (because it drives LDL cholesterol upward) while pushing protein and fiber high to blunt “passive overeating” from ultra‑processed meals. Here’s how to upgrade your “default order” in minutes—lean proteins, high‑volume veggies, smarter sauces, and drink swaps that support better blood ...

Foods that kill zombie cells: The science of eating for longevity

Dr. Susan Carter, MD: Endocrinologist & Longevity Expert

Dec 25, 2025 · 10 min read

Foods rich in senolytic polyphenols—especially fisetin and quercetin—may help the body eliminate senescent “zombie” cells by reducing their SASP-driven inflammatory signaling and supporting immune clearance. Here’s what cellular senescence is doing to muscle, heart, and metabolic health—and the specific nutrient-dense foods that may help you “clean house.” “We used to think aging was a passive ...

Longevity trends shifting men’s health from biohacking to proven science

Dr. Susan Carter, MD: Endocrinologist & Longevity Expert

Dec 18, 2025 · 9 min read

Men’s longevity is shifting from speculative biohacking to evidence-based healthspan medicine that targets upstream biology—especially chronic low-grade inflammation (“inflammaging”), metabolic flexibility, and cellular repair—before disease and hormonal decline become entrenched. Here are the clinically grounded trends and tools (from precision testing to targeted interventions) that can help a man’s 70s function more like his 50s. ...

The science of supplements: Which vitamins actually fight male fatigue?

Dr. Susan Carter, MD: Endocrinologist & Longevity Expert

Dec 18, 2025 · 11 min read

In men with low or marginal levels, repleting key energy cofactors — B vitamins (especially B12, folate, and B6) plus vitamin D and zinc — can reduce fatigue by supporting mitochondrial ATP production and stabilizing testosterone-related energy pathways. Here’s how to spot the signals, confirm them with the right labs, and target what’s actually limiting ...

CGM for nondiabetics: When it helps, when it misleads, and how men can use it well

Dr. Susan Carter, MD: Endocrinologist & Longevity Expert

Dec 17, 2025 · 12 min read

In nondiabetic men, a CGM is most useful when diabetes risk is elevated and you use it to track repeatable trends (it reads glucose in interstitial fluid every few minutes), but it can mislead when you treat one-off post-meal “spikes” as verdicts because readings lag behind blood glucose and responses can vary even to the ...