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Knee Osteoarthritis Pain and Fatigue Linked to Serum and CSF Metabolites

MHD featured image for knee osteoarthritis pain and fatigue metabolomics.

A 2026 targeted metabolomics study of knee osteoarthritis found 33 altered serum metabolites and 10 altered cerebrospinal-fluid metabolites, but the symptom signal split by compartment: serum amino acids, bile acids, and acylcarnitines tracked pain or fatigue, while CSF histamine and 3-hydroxyphenylacetic acid tracked central pain and sleep measures.1 Research Highlights 33 serum metabolites shifted: knee …

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Web-Based Exercise Reduced Postmenopause Depression and Sleep Scores

MHD featured image for web-based exercise, postmenopause depression symptoms, fatigue, and sleep quality.

A 2026 randomized trial in early postmenopausal women found that 8 weeks of app-based combined aerobic and resistance exercise reduced Beck Depression Inventory scores by 7.30 points, compared with 2.20 points after education-only control and 5.65 points after face-to-face exercise. A structured home program delivered through a mobile platform improved depression, fatigue, sleep quality, and …

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Multiple Sclerosis Frailty Exercise Improved Fatigue in 6 Weeks

MHD featured image for multimodal exercise, frailty, fatigue, and quality of life in multiple sclerosis.

A 2026 pilot randomized trial in 16 frail adults with multiple sclerosis found that 6 weeks of supervised multimodal exercise was feasible: retention was 87.5%, adherence was 97.2%, no adverse events were recorded, and fatigue and quality-of-life scores moved more than they did with waitlist control.1 Research Highlights Feasibility cleared the prespecified bar: 14 of …

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High Cytokines Predicted Weaker Placebo Response in Cancer Symptom Trial

MHD featured image for cytokine biomarkers and placebo response in cancer symptom trials.

A 2026 exploratory analysis of the ABCD cancer dyspnea trial found that higher baseline cytokines predicted less placebo symptom improvement than lower baseline cytokines across 33 of 40 cytokine-symptom combinations at day 7 and 29 of 40 at day 14.1 The signal is not ready for clinical prediction, but it sharpens a trial-design problem: patients …

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Kratom Side Effects & Adverse Reactions (List)

Kratom (Mitragyna speciosa) is an evergreen tree of the coffee (Rubiaceae) family native to countries such as: Indonesia, Malaysia, Myanmar, Papua New Guinea, and Thailand.  It is best known for generating leaves that contain upwards of 40 distinct psychoactive compounds.  Pharmacological research indicates that the psychoactive constituents of kratom – most prominent being [indole alkaloids] …

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Ubiquinol Side Effects & Adverse Reactions (List)

Ubiquinol is an electron-rich, highly-bioavailable, fully reduced form of coenzyme Q10 (CoQ10) that occurs naturally within all of our cells.  When we’re young, the body is well-equipped to synthesize ubiquinone into ubiquinol (via Q Cycle reactions) which elicits an antioxidant effect to reduce free radicals and enhances cellular energy.  However, biological aging interferes with a …

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Belviq (Lorcaserin) Side Effects & Adverse Reactions (List)

Belviq (Lorcaserin) is an anorectic medication manufactured by Arena Pharmaceuticals for the long-term management of obesity.  As of 2012, the FDA approved lorcaserin to promote weight loss in adults with: BMIs exceeding 30 or BMIs exceeding 27 plus [at least] one weight-related medical comorbidity such as diabetes, hyperlipidemia, and/or hypertension.  Upon administration, lorcaserin functions primarily …

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