Understand the conditions that matter most
Each condition page explains what it is, why it matters, how it's diagnosed, and which biomarkers and evidence-based interventions address it — connecting the whole picture across BioSignal.
- Condition
Obesity
A chronic disease of excess adiposity
- T2D
Type 2 Diabetes
Chronic high blood sugar from insulin resistance
- HTN
Hypertension
Persistently elevated blood pressure
- ASCVD
Atherosclerotic Cardiovascular Disease
The disease behind most heart attacks and strokes
- MetS
Metabolic Syndrome
A cluster of risks that travel together
- MASLD
MASLD / MASH
Metabolic fatty liver disease
- CKD
Chronic Kidney Disease
Progressive loss of kidney function
- Condition
Prediabetes
Elevated glucose below the diabetes threshold
- HFpEF
Heart Failure (HFpEF)
Heart failure with preserved ejection fraction
- Condition
Gout
Crystal arthritis driven by high uric acid
- AD
Alzheimer's Disease
The most common cause of dementia
- MCI
Mild Cognitive Impairment
Cognitive decline beyond normal ageing — but not dementia
- Condition
Migraine
A common, disabling neurological disorder
- IBS
Irritable Bowel Syndrome
A disorder of gut–brain interaction
- IBD
Inflammatory Bowel Disease
Crohn's disease and ulcerative colitis
- GERD
Gastro-oesophageal Reflux Disease
Acid reflux that causes symptoms or damage
- Condition
Chronic Constipation
Infrequent, difficult, or incomplete bowel movements
- Condition
Hypothyroidism
An underactive thyroid
- Condition
Male Hypogonadism
Clinically low testosterone — confirmed, not assumed
- Condition
Menopause
The end of ovarian oestrogen production
- PCOS
Polycystic Ovary Syndrome
A metabolic condition with a reproductive name
- OSA
Obstructive Sleep Apnea
Repeated airway collapse during sleep
- Condition
Stroke
A brain attack — and largely preventable
- AF
Atrial Fibrillation
An irregular heart rhythm that causes strokes
- OA
Osteoarthritis
Not simply wear and tear
- Condition
Osteoporosis
Silent bone loss until something breaks
- Condition
Insomnia
A disorder of sleep — not a sleeping-pill deficiency
- Condition
Sarcopenia
Age-related loss of muscle strength and mass
- FH
Familial Hypercholesterolaemia
Inherited high cholesterol — common, dangerous, and usually undiagnosed
- Condition
Tendon & Ligament Injury
Tendinopathy is not inflammation — and rest is not the treatment
- MDD
Depression
A real illness — and not a serotonin deficiency
- Condition
Anxiety Disorders
Avoidance is the fuel — and the treatment is the opposite
- Condition
Parkinson's Disease
Nothing slows it — except, perhaps, exercise
- Condition
Acne
Not a hygiene problem — and scarring is the thing you cannot undo
- Condition
Eczema (Atopic Dermatitis)
A barrier disease — and the fear of steroids is doing more harm than the steroids
- Condition
Psoriasis
Not a skin condition — a systemic inflammatory disease that appears on the skin
- Condition
Photoaging
Most of what you call ageing is sun damage — and it is largely preventable
- Condition
Chronic Low-Grade Inflammation
A real, measurable process — and the most abused word in wellness
- Condition
Autoimmune Disease
Not a weak immune system — a misdirected one
- Allergy
Allergic Disease
Hay fever, food allergy, and an immune system that is anything but weak
- Condition
Respiratory Infections
Colds and flu — and the antibiotics that do nothing for either
- Condition
Asthma
A disease of inflammation — treated by most people as a disease of wheezing
- COPD
COPD
Chronic obstructive pulmonary disease — treatable, and treated as if it weren't
- Condition
Fatigue
A symptom, not a diagnosis — and one worth taking seriously
- IDA
Iron Deficiency & Anaemia
The commonest nutritional deficiency in the world — and a finding that always has a cause
- Condition
Hair Loss
A symptom with several causes — and one of them is a clock
- ADHD
ADHD
A neurodevelopmental condition — not a synonym for being distracted
- Condition
Back Pain
The world's leading cause of disability — and the one where the scan usually makes things worse
- Condition
Endometriosis
Not bad period pain — a disease, and one that takes seven years to name
- HMB
Heavy Menstrual Bleeding
Not something to put up with — and sometimes a bleeding disorder nobody looked for
- Condition
Uterine Fibroids
Extremely common, almost never cancer — and treated far too readily with a hysterectomy
- Condition
Infertility
Half of it is male factor — and the workup usually starts with the woman
- Condition
Coeliac Disease
An autoimmune disease — and do not go gluten-free before you are tested
- Condition
Blood in the Stool
Never assume it is haemorrhoids — and 'you're too young for bowel cancer' is no longer true
- Condition
Peptic Ulcer Disease & H. pylori
It was never stress, and it was never spicy food — it is a bacterium, or it is your painkillers
- Condition
Gallstones
Usually silent, occasionally an emergency — and no, you cannot flush them out
- Condition
Diverticular Disease & Diverticulitis
And you can eat the nuts, seeds and popcorn — that advice was wrong
- Condition
Hearing Loss
The largest modifiable risk factor for dementia — and people wait a decade to treat it
- Condition
Tinnitus
No cure — and that is not the same as nothing to do
- Condition
Dry Eye Disease
Very common, genuinely miserable — and blue light glasses do nothing for it
- Condition
Sinusitis
Almost always viral — and almost always given antibiotics anyway
- Condition
Cataracts
The commonest cause of blindness in the world — and one of the best operations in medicine
- Condition
Glaucoma
The silent thief of sight — painless, permanent, and detectable years before you notice
- AMD
Age-Related Macular Degeneration
The leading cause of blindness in older adults — and a rare case where a supplement genuinely works
- Condition
Sudden Vision Changes
Flashes, floaters and sudden loss — the symptoms that sound minor and are not
- UTI
Urinary Tract Infection
The most common bacterial infection in women — and the one with the most bad advice attached
- ED
Erectile Dysfunction
Common, treatable — and often the first sign of a vascular problem you cannot yet feel
- BPH
Benign Prostatic Hyperplasia
An enlarged prostate is common and usually harmless — but 'just getting older' is not a diagnosis
- Condition
Vertigo & Dizziness
Dizziness is not one thing — and the first job is telling which kind you have
- PMDD
PMS & PMDD
Premenstrual symptoms are common — and PMDD is not 'bad PMS' but a severe, treatable mood disorder
- Condition
Kidney Stones
Not one disease — what the stone is made of decides what prevents the next one
- Condition
Hyperthyroidism & Graves' Disease
An overactive thyroid is a state, not a diagnosis — the cause is the thing that decides the treatment
- Condition
Bipolar Disorder
Not moodiness — a condition defined by episodes, in which the depression is usually the larger problem
- Condition
Epilepsy & Seizures
A seizure is an event; epilepsy is a disease — and one does not automatically mean the other
- Condition
Rotator Cuff & Shoulder Pain
A tear on the scan is not automatically the reason your shoulder hurts
- Condition
Preeclampsia & Hypertensive Disorders of Pregnancy
Not just high blood pressure in pregnancy — and it does not always end when the baby arrives
- Condition
Multiple Sclerosis
An immune-mediated disease of the central nervous system — not an explanation for tingling, fatigue or a spot on a scan
- Condition
Tension-Type Headache
The most common headache there is — and it is not simply a headache caused by being tense
- Condition
Cluster Headache
Not a bad migraine — a different disorder, with a treatment most sufferers are never offered
- Condition
Syncope & Fainting
A brief loss of consciousness from too little blood to the brain — usually harmless, occasionally the only warning of a dangerous heart
- Condition
Cervical Radiculopathy & Neck Pain
Most neck pain is not a trapped nerve, and most disc bulges on a scan are not the problem
- Condition
Medication-Overuse Headache
When the painkillers become the cause — the treatment that turns an occasional headache into a daily one
- Condition
Peripheral Neuropathy
Damage to the peripheral nerves — usually with a findable cause, and not the same as a brain or spinal-cord disease