Dr. Nakul Gupta
DX15 articles

Health, Explained

Conditions, symptoms, and treatment — explained the way I explain them across the desk.

6 min read

You Can Be Iron Deficient Long Before Your Hemoglobin Ever Drops

Anemia is the late stage of iron deficiency, not the first sign. Here is what happens in the years before the blood count ever flags it.

Read article
6 min read

Your Liver Enzymes Are Elevated — What That Actually Means

ALT, AST, and GGT show up on routine panels more often than people expect. Most mild elevations are not what patients fear.

Read article
6 min read

A "High Sugar" Reading Doesn't Automatically Mean Diabetes — Prediabetes Explained

The space between normal and diabetic blood sugar is wide, real, and the single most actionable window in preventive medicine.

Read article
6 min read

Most Back Pain Is Muscular — Here Are the Signs That Say It Isn't

The overwhelming majority of back pain resolves on its own. A short, specific list is what actually separates that from something needing urgent care.

Read article
6 min read

What Allergy Testing Actually Tells You — and What It Doesn't

A positive allergy test and a true clinical allergy are not automatically the same thing, and confusing the two leads to unnecessary avoidance.

Read article
6 min read

What Your Creatinine and eGFR Numbers Actually Mean for Your Kidneys

Two numbers on a routine blood panel that most people skip past without reading — until they matter a great deal.

Read article
6 min read

Most Headaches Are Not a Tumor — Here's How I Actually Tell the Difference

A new bad headache triggers a specific fear almost universally. The reassuring truth, and the specific patterns that genuinely warrant concern.

Read article
6 min read

Vitamin D Testing: Who Actually Needs It, and Who's Wasting Money

Vitamin D testing has become a routine add-on to health checkups. The evidence for testing everyone is much weaker than the marketing suggests.

Read article
6 min read

Reading Your Complete Blood Count (CBC): The Numbers That Actually Matter

A CBC is one of the most commonly ordered blood tests and one of the least understood by the people receiving it.

Read article
6 min read

When a Cough Actually Needs a Chest X-Ray — and When It Doesn't

Most coughs never need imaging. A specific, learnable set of signs is what actually changes that decision.

Read article
6 min read

Your Thyroid Results Are "Normal" — So Why Do You Still Feel Awful?

A number inside the reference range is not the same as a number that is right for you. Here is what the lab report does not say.

Read article
6 min read

What a Fever Actually Is — And When the Number Matters

Fever is not the illness. It is your immune system working. Knowing that changes when you should worry and when you should not.

Read article
6 min read

Why Antibiotics Do Nothing for Your Cold — And What Taking Them Costs You

This is not doctors being stingy. It is a question of what the drug can physically act on, plus a real cost you personally absorb.

Read article
7 min read

How to Actually Read Your Lipid Panel

LDL, HDL, triglycerides, and the ratio nobody explains. A line-by-line guide to the report you have probably been handed and never understood.

Read article
6 min read

Why Your Blood Pressure Reading Isn't the Full Story

One number in a clinic chair rarely tells you what your heart is actually dealing with. Here's what I look at instead.

Read article