covid 19 News and Research

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COVID-19 accelerates vascular aging in women

Research shows COVID-19 accelerates vascular aging, especially in women, with implications for long-term cardiovascular health and recovery strategies.

20 Aug 2025

Cardiovascular health declines in older adults with heart conditions

U.S. adults, ages 65 and older, with high blood pressure, heart failure or stroke had significant declines in cardiovascular health, according to new research published today in the Journal of the American Heart Association, an open-access, peer-reviewed journal of the American Heart Association.

20 Aug 2025

COVID-19 ages arteries prematurely with women most affected

COVID-19 may leave arteries biologically “older,” with women showing more persistent stiffness and symptom links than men. Findings from the large CARTESIAN cohort suggest this vascular aging effect is partly reversible over time.

19 Aug 2025

Radio waves offer new hope for improving sense of smell

Our sense of smell is more important than we often realize. It helps us enjoy food, detect danger like smoke or gas leaks, and even affects memory and emotion.

19 Aug 2025

Vaccines trigger immediate changes in lymph node tissue landscape

Vaccines trigger a notably rapid response in the stromal cells of draining lymph nodes within the first hours after administration.

18 Aug 2025

New nanoparticle system uses ultrasound to precisely deliver drugs

The trouble with many drugs is that they go where they shouldn't, producing unwanted side effects. Psychiatric drugs might cause dissociation, painkillers can induce nausea and chemotherapy often damages healthy cells.

18 Aug 2025

It’s almost flu season. Should you still get a shot, and will insurance cover it?

For parents of school-aged children, the fall to-do list can seem ever-growing. Buy school supplies. Fill out endless school forms.

18 Aug 2025

Study links COVID-19 infection to accelerated blood vessel aging in women

A Covid infection, particularly in women, may lead to blood vessels aging around five years, according to research published in the European Heart Journal on 18th August, 2025.

18 Aug 2025

International experts recommend broader use of cardioprotective diabetes drugs

SGLT-2 inhibitor and GLP-1 receptor agonist drugs should be used in all or almost all adults with type 2 diabetes at higher risk of cardiovascular and kidney complications, and in the majority of adults at moderate risk of complications, say a panel of international experts in The BMJ today.

17 Aug 2025

Respiratory viruses awaken dormant breast cancer cells and raise relapse risk

Respiratory viruses such as influenza and COVID-19 can reactivate dormant breast cancer cells in the lungs, raising the risk of metastasis. The process is driven by IL-6–induced cell changes and immune suppression, with the highest recurrence risk soon after infection.

14 Aug 2025

UC San Diego's ACTRI wins $80 million Clinical and Translational Science Award

The University of California San Diego's Altman Clinical and Translational Research Institute (ACTRI) has received a seven-year, $80 million Clinical and Translational Science Award (CTSA) from the National Center for Advancing Translational Sciences (NCATS), part of the National Institutes of Health.

14 Aug 2025

COVID-19 increases risk of asthma and sinusitis while vaccination offers protection

People who have had COVID-19 are at increased risk of developing certain inflammatory diseases of the airways, such as asthma, hay fever and chronic sinusitis.

14 Aug 2025

‘Alternative facts’ aren’t a reason to skip vaccines

President Donald Trump's administrations have been notorious for an array of "alternative facts" — ranging from the relatively minor (the size of inaugural crowds) to threats to U.S. democracy, such as who really won the 2020 election.

14 Aug 2025

‘A fear pandemic’: Immigration raids push patients into telehealth

Jacob Sweidan has seen his patients through the federal immigration raids of the 1990s, a sitting governor's call to abolish birthright citizenship, and the highly publicized workplace crackdowns and family separation policies of President Donald Trump's first term.

14 Aug 2025

Study shows economic benefits of continued COVID-19 vaccination

As the nation gears up for the rollout of an updated COVID-19 vaccine, a new study shows the economic benefits of continued broad vaccination in adults.

14 Aug 2025

Pandemic left measurable changes in teen brains, hormones, and immunity

Adolescents assessed after COVID-19 lockdowns showed lower daily cortisol, higher inflammation, and reduced prefrontal cortex activity compared to matched pre-pandemic peers, suggesting widespread stress-related biological changes. These alterations mirror patterns seen after prolonged early-life stress, raising concerns about long-term health risks.

13 Aug 2025

Doctor’s white coats remain a symbol of trust despite growing acceptance of scrubs

Patients are still more likely to trust doctors and consider them more professional when they wear white coats, although women doctors in this attire are often misidentified as nurses or medical assistants, finds a review of the available research on the topic, published in the open access journal BMJ Open.

13 Aug 2025

New diagnostic tool offers rapid, low-cost blood test for multiple diseases

Researchers at Arizona State University have developed a breakthrough diagnostic tool that could transform how quickly and reliably we detect illnesses like COVID-19, Ebola, AIDS or Lyme disease. The test uses just a single drop of blood, costs a couple of dollars and delivers results in only 15 minutes.

13 Aug 2025

Long COVID linked to lasting financial hardship and work disruption

While the economic impact of the COVID-19 pandemic continues to be widely studied and debated, the financial toll of the COVID-19 pandemic for individual patients is less understood.

12 Aug 2025

Global Virus Network committed to the continued development of mRNA vaccines

The Global Virus Network (GVN), a coalition of leading human and animal virologists from 80+ Centers of Excellence and Affiliates in more than 40 countries dedicated to advancing pandemic preparedness, is unequivocally committed to the continued development and deployment of mRNA vaccines and the global scientific collaboration that makes such innovation possible.

12 Aug 2025