Many lighter smokers can be addicted to cigarettes
Even people who consider themselves to be casual cigarette smokers may be addicted, according to current diagnostic criteria. Researchers at Penn State College of Medicine and Duke University found that many light smokers those who smoke one to four cigarettes per day or fewer meet the criteria for nicotine addiction and should therefore be considered for treatment.
In the past, some considered that only patients who smoke around 10 cigarettes per day or more were addicted, and I still hear that sometimes. But this study demonstrates that many lighter smokers, even those who do not smoke every day, can be addicted to cigarettes. It also suggests that we need to be more precise when we ask about cigarette smoking frequency.
Surgery associated with better survival in metastatic breast cancer patients
Surgery, in addition to treatments like chemotherapy and radiation therapy, may increase the length of survival for metastatic breast cancer patients, according to Penn State College of Medicine and Penn State Cancer Institute researchers. They studied nearly 13,000 stage four breast cancer patients and found that those who had surgery in addition to their other treatments had a survival advantage over those who had other treatments alone.
Stage four breast cancer accounts for 6% of newly diagnosed breast cancer cases. Systemic therapy, which may include treatments like chemotherapy, hormone therapies and immunotherapies, is routinely part of treatment plans for those patients. The benefits of surgery to remove the primary breast cancer are currently only recommended for relieving symptoms of advanced breast cancer such as pain and bleeding.
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HERSHEY, Pa. Even people who consider themselves to be casual cigarette smokers may be addicted, according to current diagnostic criteria. Researchers at Penn State College of Medicine and Duke University found that many light smokers those who smoke one to four cigarettes per day or fewer meet the criteria for nicotine addiction and should therefore be considered for treatment. In the past, some considered that only patients who smoke around 10 cigarettes per day or more were addicted, and I still hear that sometimes, said Jonathan Foulds, professor of public health sciences and psychiatry and behavioral health, Penn State. But this study demonstrates that many lighter smokers, even those who do not smoke every day, can be addicted to cigarettes. It also suggests that we need to be more precise when we ask about cigarette smoking frequency.
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Loss of anti-tumour protein may cause resistance to certain cancer therapies ANI | Updated: Dec 22, 2020 11:12 IST
Washington [US], December 22 (ANI): The absence of a protein that works to prevent tumour formation may explain why some patients are resistant to common cancer therapy, according to Penn State College of Medicine researchers.
They said that testing cancers for the presence of this protein may help clinicians identify patients who may be resistant to or relapse when treated with the therapy.
Epidermal growth factor receptor (EGFR) is a protein that plays a role in cell division and survival signalling and is active in skin, bladder, esophageal, lung, liver, pancreatic, colon, and head and neck cancers.