Home > Medical Medical All sections in Medical » All Diseases » All Symptoms » Medical Schemes » Acne » ADHD » Back Pain » Cancer » Cough » Depression » Diabetes » Eye Health » Headache » Heart » HIV-AIDS Coming soon: Battery-free pacemakers powered by the heart? Pacemaker batteries eventually wear down, and have to be replaced every five to 12 years - so, some scientists have been working an alternative: battery-free pacemakers that in theory would never have to be replaced. Loneliness may raise death risk for elderlyWill your brain stay sharp into your 90s? Certain factors are keyMiddle-age obesity linked to higher odds for dementia Staying social can boost healthy 'grey matter' in ageing brains Brain imaging to examine brain areas involved in mental decline found that greater social engagement improved brain health. Lockdown: Scientists looked at personality traits to understand why some defy the rules The so-called "Big Five personality traits" show how certain personalities can be a central driver of behaviour during lockdowns, researchers have found. New strain of swine flu emergesSwine flu hits pigs in Hong KongPICS: Swab gets stuck inside woman’s lung during coronavirus test Swine coronavirus could jump to people, researchers warn American scientists have shown that SADS-CoV (swine acute diarrhoea syndrome coronavirus) can replicate in human liver, gut and airway cells. What is behind SA’s higher TB numbers?In-depth: The slow-motion race for a TB vaccineThe forgotten killers: Covid-19 destroying gains made in the fight against malaria, TB TB treatment time cut by a third The new finding that drug-sensitive TB can now be successfully treated in four months instead of six months marks the 'biggest shift in TB care in decades'. How Covid-19 affects those with rare immune disorders and what it means for the rest of us Understanding how immuno-compromised patients react to the coronavirus can help scientists figure out what protects us against it. Mothers underestimate how useful Kegel exercises are for incontinence during and after childbirth A US study analysed how useful Kegels were for women post-birth and how to motivate them to stick with the exercises. Blood test heralds new era in Alzheimer's diagnosisCan fruits and tea help fend off Alzheimer's disease?How to ease loved ones with Alzheimer's through the pandemic Do your sleep patterns affect your risk of Alzheimer's disease? A study attempted to find out if there are causal relationships between different sleep patterns and depression, and Alzheimer's. It’s not bots – but humans – spreading misinformation about vaccines, study findsYet another study finds vaccines to be safeWhy anti-vaxxers often win out on Facebook Scientists raise alarm over signs of vaccine 'hesitancy' There is increasing concern that vaccine hesitancy is on the rise, with misinformation and mistrust colouring people's acceptance of scientific advances. Covid-19: How to get mask and distancing rebels to conform – induce empathy People are more likely to follow Covid-19 safety protocols if they’re confronted with the knowledge of those at risk of contracting the virus, say researchers. In-depth: The slow-motion race for a TB vaccineCovid-19: The fascinating science of what happens in the lungs of Covid-19 and TB patientsThe forgotten killers: Covid-19 destroying gains made in the fight against malaria, TB What is behind SA’s higher TB numbers? The WHO Global Tuberculosis Report 2020 indicates a 20% increase over last year’s report. Amy Green asks what’s behind these numbers. Lower emissions, more plastic: Double-edged sword of Covid-19 on the environmentAutopsies show microplastics in all major human organsBillions of 'microplastics' in your tea from each plastic teabag Microplastics seeping out of baby's bottle, study shows Infants are likely exposed to an average daily dose of nearly 1.6 million microplastic particles through baby formula they drink from heated plastic bottles. Is an at-home stool test a viable alternative to a colonoscopy?5 ways to prepare yourself for a colonoscopyColonoscopy myths busted Scientists develop intelligent robot system for easier, kinder colonoscopies A new robotic system proves how reliable machines can be in the medical field. ‘Stress can give you superpowers’ - if you know how to control it Stress management expert Richard Sutton provides some insight into how to hack stress when you need it and switch it off when you don’t. UK researchers aim to infect volunteers to study Covid exposure British researchers hope to expose healthy volunteers to the virus that causes Covid-19 in a groundbreaking study to discover the amount needed for people to become infected. Mammograms in 40s can save women's lives, study findsHow honeybee venom can kill breast cancer cellsCould a blood test for breast cancer become a reality? OPINION | Breast Cancer Awareness Month: Prevention is in the genes Modern DNA technologies and next-generation sequencing are rapidly changing the face of the diagnostics and treatment of breast cancer. Largest-ever study ties over 100 genes to autismMedical pot may help many battle insomnia, pain and stress'Cannabis use disorder' up in states that legalised recreational dagga Marijuana use while pregnant tied to higher odds for autism in kids Canadian researchers found that pregnant women who used cannabis were 1.5 times more likely to have a child with autism than women who didn't. Covid-19: Unpacking the science on vitamin DOPINION | World Mental Health Day: Under-investment in mental health has never been more acutely feltMental health issues double the odds of dying with Covid-19, study finds Vitamin D won't reduce risk of depression According to researchers, there was no significant benefit from the supplementation of vitamin D for the purpose of alleviating depression. Covid-19: How to get mask and distancing rebels to conform – induce empathy People are more likely to follow Covid-19 safety protocols if they’re confronted with the knowledge of those at risk of contracting the virus, say researchers. ‘Stress can give you superpowers’ - if you know how to control it Stress management expert Richard Sutton provides some insight into how to hack stress when you need it and switch it off when you don’t. Many people have an extra artery in their arms – but it's just our continuing evolution There's an artery that's three times more common in adults today than a century ago, scientists have found. OPINION | Herd (immunity) today, gone tomorrow Alex Welte places in perspective what we do and do not know about herd immunity and potential second waves. PICS: Swab gets stuck inside woman’s lung during coronavirus test Doctors found a snapped coronavirus test swab lodged inside the lung of a 51-year-old patient when conducting an endoscopy. Some younger people get severe Covid-19 and scientists think they are close to finding out why Researchers from the University of Bergen and their French colleagues suggest our antibodies may have something to do with it. The 10 best ways to enjoy blueberriesBlueberries may help to control blood pressureBlueberries tied to lower diabetes risk How can blueberries help with inflammation? Researchers at the Tokyo University of Science have identified compounds found in berries that can serve as a treatment for chronic inflammatory diseases. Hearing persists at end of life, brain waves of hospice patients showLoud parties in your youth may cause hearing loss in your old ageThree ways to care for your hearing this World Hearing Day Say what? Like animals, people perk up their ears to hear Researchers found that people make tiny, unconscious movements to aim their ears at a particular sound. load more articles advertisement Live healthier Lifestyle » E-cigarettes: Here are five things to know E-cigarettes have become hugely popular in the past decade, but a rash of vaping-linked deaths and illnesses in the US is feeding caution about a product that's already banned in some places. Allergy » Ditch the itch: Researchers find new drug to fight hives A new drug works by targeting an immune system antibody called immunoglobulin E, which is responsible for the allergic reaction that causes hives.