Combining cardio and strength training
What concurrent-training research says about hypertrophy, strength and explosive power, and how volume and scheduling influence the trade-offs.
HealthoReview
HealthoReview explores sports science, supplements and health in British English. Read mechanisms, clinical context and the limits of the evidence.
All articlesWhat concurrent-training research says about hypertrophy, strength and explosive power, and how volume and scheduling influence the trade-offs.
Repetitive loading, fluid retention and medical conditions can compress the median nerve. Understand the mechanisms and diagnostic context.
Kidney disease, medicines, pregnancy and other situations where creatine decisions require individual assessment and careful interpretation of tests.
Blocking conversion to DHT differs from restoring the HPG axis. Explore the evidence on dutasteride, testosterone, LH and FSH.
Why cramps have several causes, why sports drinks cannot prevent every case of hyponatraemia and how thirst relates to fluid needs.
Research on growth hormone, prolactin and cortisol responses, alongside possible fluid retention, glucose changes and unresolved long-term risks.
Hypoglycaemia, hypersensitivity and medicines that change insulin effects. Why essential diabetes treatment requires individual clinical decisions.
Compare receptor targets, appetite effects, hormone selectivity and clinical research without equating limited data with proven safety.
What liver enzymes, bilirubin, lipid profiles, blood counts and hormone tests can reveal, and why normal results do not establish safety.
Why metenolone does not aromatise, how suppression can still lower oestradiol and why this does not make the compound risk-free.
Preclinical findings, evidence from other SARMs and product testing challenge common claims about the safety and hormonal effects of S23.
What studies show about weight regain, muscle loss, thyroid concerns and benefits beyond weight reduction, with the limits of those findings.
Human research on taurine and aerobic performance, fat oxidation, muscle soreness and strength, including conflicting and limited results.
Voice changes, hair growth, menstrual disruption and other androgen effects in women, including which changes may be irreversible.
Why exogenous testosterone can suppress sperm production, what recovery studies show and why fertility plans should be discussed before treatment.
How the ester affects release, why online half-life estimates are uncertain and what is known about trenbolone metabolism and elimination.
A comparison of doses used in clinical studies, differences between extracts and the limits of applying study protocols to supplement use.
How meals, training and metabolic health affect triglycerides, why fasting context matters and when a high result warrants medical assessment.
Chemical structure, historical medical use and shared risks of two oral anabolic steroids, including liver injury, lipid changes and suppression.