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Image of Sarah Whelan, PhD

Sarah Whelan, PhD

Science Writer

Sarah joined Technology Networks in 2022 after completing a PhD in cancer biology, where her research focused on the development of colon cancers. In her role as science writer and editor, Sarah covers scientific news and a range of other content types, leading the site's coverage of drug discovery, biopharma and cancer research content.

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Published Content
Total: 229
An X-ray of a person's wrist.

PFAS Exposure Linked to Worse Bone Health in Young People

Exposure to per- and polyfluoroalkyl substances (PFAS) can lead to lower bone density in adolescents and young adults – particularly for those of Hispanic origin, according to a new longitudinal study.
A neon image of a human outline and brain.

139 Genes Set Human Cognitive Ability Apart From Other Primates

A group of 139 genes commonly expressed in primate brains – which underwent evolutionary divergence only in human brains – may be the source of our unique cognitive abilities according to a study led by the University of Toronto.
A person holding a pill in the palm of their hand.

Arthritis Drug May Offer Hope for Type 1 Diabetes

A common drug used for rheumatoid arthritis – baricitinib – has shown promising results for patients with type 1 diabetes in a world-first trial, showing it could limit the progression of the disease within the first 100 days of diagnosis.
An Anthrobot is shown, depth colored, with a corona of cilia that provides locomotion for the bot. Credit: Gizem Gumuskaya, Tufts University

Human Cell “Biobots” Encourage Neuron Regrowth in Lab Dishes

Made from human cells, researchers have created tiny biological robots – called Anthrobots – that can move across surfaces and even encourage regrowth in damaged regions in dishes of lab-grown neurons.
Three needles and syringes.

Lidocaine May Activate Bitter Taste Receptors To Kill Cancer Cells

The common numbing agent lidocaine can activate bitter taste receptors leading to cancer cell death, according to a new study, which could lead to clinical trials of lidocaine alongside standard treatments for head and neck cancers.
Silhouette of a person putting a vote in a ballot box.

Higher Cognitive Ability Linked to Voting Against Brexit, Study Finds

People with higher cognitive ability may have been more likely to vote to “Remain” during the Brexit referendum – a vote that decided whether the United Kingdom should leave or remain a member of the European Union – according to a new study.
Computer-generated image of a cancer cell.

Nutrient in Beef and Dairy May Improve Immune Cell Responses to Cancer

A fatty acid found in meat and dairy has been found to increase cancer-fighting T-cell activity according to a new study, suggesting trans-vaccenic acid has the potential to be used as a nutritional supplement to complement cancer therapies.
A black and white photo of a baby holding a parent's hand.

Are Climate Change Concerns Affecting People’s Reproductive Choices?

Complex ethical, environmental and political concerns surrounding climate change may be causing people to reconsider having children, according to research from University College London.
A packet of contraceptive pills on a pink and blue background.

Birth Control’s Blood Clot Risks Drop Quickly After Stopping, Study Suggests

The increased risk of blood clots caused by some hormonal contraceptives may drop within just 2–4 weeks of stopping their use, potentially informing how long to stop using hormonal contraceptives prior to major surgery, for example.
A person holding a cigarette.

Tobacco Smoke Linked to Mutations That “Stop” Cancer-Fighting Proteins

A new study has revealed that tobacco smoke can cause specific DNA changes that can prevent anti-cancer proteins from being fully constructed, representing one way that tobacco smoking causes cancer.