39 source-based articles maintained by the HealthRX.com Editorial Team.
Showing 39 of 39 clinical reviews.
GLP-1 receptor agonists have been in clinical use since 2005. This evidence-based review covers the full safety record, major trials, FDA warnings, and what patients starting these medications should know.
Levothyroxine can cause anxiety, particularly when the dose is too high. Learn how overdose symptoms differ from undertreated hypothyroidism, what the evidence shows, and how to adjust your treatment.
Mounjaro (tirzepatide) is not approved for general weight loss in all adults. Learn who qualifies, who should avoid it, what the clinical data show, and how to find out if you are a candidate.
Learn which blood tests, symptoms, and clinical criteria doctors use to diagnose perimenopause, what FSH, estradiol, and AMH levels mean, and when hormone testing actually helps.
GLP-1 receptor agonists slow gastric emptying, which can reduce or delay the absorption of oral medications taken at the same time. Learn which drugs are most affected, what the clinical data show, and how to time your medications safely.
A breakdown of the current evidence on hormone replacement therapy and dementia risk, including the 2023 BMJ mega-cohort, the Women's Health Initiative Memory Study, and what the data actually mean for women considering HRT.
Levothyroxine restores thyroid hormone levels in hypothyroidism, which can reverse the weight gain caused by a slow metabolism. But for people with normal thyroid function, it does not produce meaningful fat loss and carries real risks. Read the full clinical picture.
Yes, menopause can cause hair loss. Falling estrogen and progesterone levels shift hair follicles into a resting phase while rising androgen activity shrinks them. Learn the mechanisms, treatment options, and what the evidence actually shows.
Yes, menopause causes fatigue through falling estrogen, disrupted sleep, and thyroid overlap. This evidence-based guide covers why it happens, how to confirm the cause, and what actually works to restore energy.
Diagnosis requires a TSH blood test plus TPO antibody testing, positive in about 95% of cases. Ultrasound confirms borderline results per ATA guidelines.
Explore the evidence-based fitness, nutrition, hormone, and recovery strategies that help women over 40 maintain muscle, energy, and metabolic health, grounded in clinical research and real physiology.
A science-backed guide for women over 35 and moms looking to build lean muscle, reduce body fat, and support hormonal health through evidence-based training, nutrition, and recovery strategies.
Menopause hair loss affects up to 50% of women over 50. Learn what causes it, which treatments have clinical evidence behind them, and what your doctor can actually prescribe.
Five clinician-backed strategies to restore hormonal balance, covering sleep, nutrition, exercise, stress, and medical evaluation with specific protocols and trial data.
Learn the clinical signs, lab markers, and evidence-based strategies to identify a slowing metabolism, including thyroid function, hormonal changes, and actionable next steps.
Body-type dieting lacks clinical evidence. Learn what actually predicts dietary success, including thyroid function, insulin sensitivity, and metabolic markers, plus how to match your eating pattern to your biology.
After 40, hormonal shifts, muscle loss, and metabolic slowdown make standard calorie-cutting ineffective. Learn what the clinical evidence actually supports for sustainable fat loss at this life stage.
A clinical guide to the six evidence-based steps that optimize fertility, reduce pregnancy complications, and protect fetal development from day one, written by the HealthRX.com medical team.
Learn how to interpret TSH, free T4, free T3, testosterone, estradiol, and other hormone lab values. Understand reference ranges, optimal zones, and when results signal a need for treatment.
A guide explaining every thyroid lab test used to diagnose hypothyroidism, including TSH, Free T4, Free T3, antibody panels, and what your results actually mean.
A comprehensive guide covering GLP-1 safety in women, semaglutide side effects by system, pregnancy considerations, hormonal interactions, and what the clinical evidence actually shows.
How gut dysbiosis disrupts estrogen metabolism, thyroid conversion, and insulin signaling to stall fat loss in women, plus evidence-based strategies to restore the gut-hormone axis.
A guide to every major safety warning for Zepbound (tirzepatide), including the boxed warning for thyroid C-cell tumors, pancreatitis risk, gallbladder events, and renal injury.
Zepbound (tirzepatide) is a dual GIP/GLP-1 receptor agonist approved for chronic weight management. Learn about dosing, clinical trial results, side effects, cost, and how it compares to semaglutide.
Declining estrogen, progesterone, and thyroid shifts after 35 change gut motility, microbiome composition, and bile acid metabolism. Learn why bloating and digestive problems spike in perimenopause and what to do about it.
A complete guide to the lab tests required before your first Calibrate clinical visit, including TSH, fasting glucose, lipids, and more, with clinical context for each marker.
A complete guide to the blood tests and lab panels your doctor may order before a metabolic health, weight management, or hormone therapy appointment, including thyroid, lipid, glucose, and hormone panels.
A complete guide to the lab tests required before your first Calibrate appointment: what each test measures, why it matters for GLP-1 and metabolic therapy, and how to get your results fast.
A guide to Wegovy® (semaglutide 2.4 mg) eligibility: BMI cutoffs, weight-related conditions, contraindications, lab workup, and how telehealth programs like Calibrate fit in.
A detailed clinical breakdown of who cannot safely use Ozempic® (semaglutide), covering absolute contraindications, relative contraindications, off-label use limits, and what your prescriber checks before writing the script.
A guide to absolute contraindications, relative cautions, and high-risk populations for GLP-1 receptor agonist therapy, including semaglutide and tirzepatide.
Lab results expire, hormones fluctuate, and new providers need current baselines. Learn exactly why repeat bloodwork is medically necessary for safe thyroid and metabolic care.
Thyroid symptoms can wax and wane due to autoimmune activity, medication timing, stress, sleep, and more. A board-reviewed guide explaining every major cause of fluctuating thyroid symptoms, with citations and a clinical action plan.
Hormonal shifts, muscle loss, thyroid changes, and metabolic adaptation make cookie-cutter diets fail after 35. Learn the science and what actually works.
Getting a menopause diagnosis can take years. Learn why symptoms are dismissed, what tests actually matter, and how to advocate for proper care with evidence-based guidance from the HealthRX.com medical team.
Strength training is linked to higher BDNF, better vascular function, and preserved cognitive performance in midlife women. Here is what the evidence actually supports, what is still unproven, and how to decide what to do.
A clinically grounded breakdown of why the 3-day diet and calorie cycling produce weight loss, what the research actually shows, and how to apply it safely.
Your gut microbiome shapes immunity, metabolism, mood, thyroid function, and cardiovascular health. Learn the five evidence-based reasons clinicians now treat gut health as a core pillar of preventive medicine.
Exercise tolerance drops after 35 for specific hormonal, muscular, and metabolic reasons. Learn what the research says and what you can actually do about it.