Cortisol News and Research

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Cortisol is a hormone made by the adrenal cortex (the outer layer of the adrenal gland). It helps the body use glucose (a sugar), protein, and fats. Cortisol made in the laboratory is called hydrocortisone. It is used to treat many conditions, including inflammation, allergies, and some cancers. Cortisol is a type of glucocorticoid hormone.

Shared humor and play strengthen children’s brains and emotional wellbeing

Making children laugh can build deep emotional connections and soothe their nervous systems, making them more resilient and open to new ideas, a leading child development expert tells us.

24 May 2026

New skin patch could replace bulky polygraphs and sleep monitors

A novel wireless chest patch enables continuous monitoring of stress signals, enhancing psychophysiological assessment in clinical and real-world settings.

19 May 2026

Time in nature may improve disadvantaged children’s mental health

Growing up in disadvantaged communities can take a toll on children, with greater stress leading to mental health issues and delays in psychological development.

17 May 2026

Battery-free wearable sensor continuously monitors health through sweat

University of California, Irvine researchers have invented a wearable, wireless, battery-free, bioelectronic sensor to monitor users' health by analyzing molecular biomarkers in human sweat.

13 May 2026

Longer working hours linked to rising obesity across OECD countries

A new study presented at this year's European Congress on Obesity (ECO 2026) in Istanbul, Turkey (12-15 May) shows that a 1% reduction in annual working hours is associated with a 0.16% decrease in obesity rates across OECD countries.

11 May 2026

Drinking coffee alters your microbiome, mood, and memory

Coffee consumption influences the microbiota-gut-brain axis, affecting cognitive performance and emotional regulation through complex biological pathways.

24 Apr 2026

Insilico Medicine nominates AI-driven drug candidate for cancer, Cushing's syndrome and obesity

The NR3C1 (nuclear receptor subfamily 3 group C member 1) gene encodes the glucocorticoid receptor (GR), a nuclear receptor vital for maintaining physiological homeostasis, and inhibition of NR3C1 could increase the sensitivity of cancer cells to standard chemotherapy, particularly in ovarian cancer.

8 Apr 2026

Extended work shifts disrupt normal cortisol patterns in female nurses

Levels of cortisol, often referred to as the "stress hormone," typically peak in the early morning hours, preparing the body for the day's challenges by increasing alertness and energy levels, and gradually decline throughout the day, reaching their lowest point around midnight.

8 Apr 2026

Sugar intake may reduce effectiveness of relaxation exercises

How does sugar affect relaxation exercises? A new study carried out by researchers from the University of Konstanz provides revealing insights into the connection between blood glucose and the autonomic nervous system: The intake of sugar counteracts relaxation.

7 Apr 2026

How do diet, smoking, alcohol, and stress reshape the female microbiome?

This review examines how modifiable lifestyle and environmental factors shape the female vaginal, gut, oral, and skin microbiomes, with diet, alcohol, smoking, obesity, stress, hygiene, physical activity, and sexual behaviours all linked to site-specific microbial shifts. It argues that understanding these patterns could help guide future female-focused prevention and intervention strategies.

30 Mar 2026

Taking a placebo knowingly still improves stress and memory

Research indicates open-label placebos can ease stress and boost memory in older adults, presenting a novel, ethical strategy for promoting healthy aging.

30 Mar 2026

Hypercortisolism found in many patients with resistant hypertension

The MOMENTUM study found 27 percent of patients with resistant hypertension have hypercortisolism. This is a significant finding, demonstrating that hypercortisolism is more common in these patients than previously understood by researchers and clinicians.

28 Mar 2026

Brain resilience peaks about an hour after stress exposure

Psychological resilience is often misunderstood as simple "toughness" or an insensitivity to stress. However, true resilience is the brain's capacity to adapt and recover after a stressful event.

28 Mar 2026

Systematic review identifies stress-induced biological triggers in oncology

Stress is a constant companion in the oncologist's office. It appears at the time of diagnosis, increases with each stage of treatment, and often does not resolve even after therapy formally ends. It accompanies therapeutic decisions, waiting for test results, fear of recurrence, and changes in daily functioning. Studies show that chronic stress can trigger biological processes that promote disease progression and weaken the body's defenses.

25 Mar 2026