Dr. Emily Carter

Dr. Emily Carter Living a healthier life requires only small changes every day and facing them head on.

Maintaining good health during the aging process is crucial for maintaining a high-quality life. As we age, our bodies u...
01/08/2025

Maintaining good health during the aging process is crucial for maintaining a high-quality life. As we age, our bodies undergo various changes, including changes in body composition. One important aspect to consider is body fat percentage. The older we get, the body fat percentage tends to increase gradually.
Men
Ages 65-75: A healthy body fat percentage for men in this age group typically ranges between 12% and 20%. This range allows for adequate energy reserves and supports overall health.
Ages 75 and older: As men continue to age, a slightly higher body fat percentage, up to 22%, may be acceptable, considering the natural decline in muscle mass.
Women
Ages 65-75: Women in this age range should aim for a body fat percentage between 20% and 30%. This range provides the necessary cushioning for joints and organs while minimizing health risks.
Ages 75 and older: For older women, a body fat percentage of up to 32% may still be within the healthy range, acknowledging the physiological changes that occur with age.

Obesity is a known risk factor for stroke, but using body mass index (BMI) alone to assess stroke risk may not be enough...
19/07/2025

Obesity is a known risk factor for stroke, but using body mass index (BMI) alone to assess stroke risk may not be enough. A new international study suggests that better predictors are available — and artificial intelligence could help improve early detection and prevention.

Researchers evaluated the effectiveness of several obesity-related indices using a machine learning approach, developing a digital marker known as the In-Silico Stroke (ISS) score to predict stroke risk more accurately. The study used data from over 30,000 people across China and the UK, including the China Health and Retirement Longitudinal Study (CHARLS), the English Longitudinal Study of Ageing (ELSA) and a health examination cohort from Wenzhou Medical University.

The analysis found that two measures — Triglyceride-Glucose Index (TyG) and TyG-Body Mass Index (TyG-BMI) — were significantly better at predicting stroke risk than BMI alone. In fact, in cross-sectional analysis, TyG-BMI delivered a higher predictive accuracy (AUC = 0.821) compared to BMI.

In a longer-term analysis, a stacked machine learning model incorporating TyG-BMI provided the best results, with an AUC of 0.816 in the training cohort and 0.833 in the internal validation group. The model performed consistently well in external datasets too, with AUC values of 0.803 for the UK-based ELSA cohort and 0.805 for the Chinese health examination cohort.

The ISS score, built into the model, proved to be a strong indicator not only of stroke risk but also of stroke-related mortality. It successfully classified individuals into low- and high-risk groups for stroke-related death, with high accuracy in both training and validation sets.

Researchers say these findings could help to stratify stroke risk more precisely, offering new opportunities for early intervention in individuals living with obesity. While further validation in broader populations is needed, the results point to a promising new tool in stroke prevention — especially in the context of rising obesity rates worldwide.

Factors that cause obesity
03/04/2025

Factors that cause obesity

AcneAcne is the most common skin disease, affecting at least 85% of teens and young adults aged 12 to 24. Acne is usuall...
17/03/2025

Acne
Acne is the most common skin disease, affecting at least 85% of teens and young adults aged 12 to 24. Acne is usually harmless, but can leave scars. Some people have short bouts of acne, while others may have recurring or persistent acne. Acne is common in teens because puberty disrupts hormones and produces more oil, which clogs the skin's surface.

Mild acne can be treated with moisturizing creams and home remedies such as certain tea tree oil creams. Studies have shown that excessive stress can cause acne, so relaxation techniques may help control acne. Moderate to severe acne is usually treated with medications containing Retin-A cream (tretinoin), azelaic acid, salicylic acid, or benzoyl peroxide.

Melasma occurs in sun-exposed areas as an acquired hypermelanosis, presenting as symmetrically distributed hyperpigmente...
17/02/2025

Melasma occurs in sun-exposed areas as an acquired hypermelanosis, presenting as symmetrically distributed hyperpigmented macules that can be confluent or punctate. It is worse in areas that receive excessive sun exposure, including the cheeks, the upper lip, the chin, and the forehead.

What Causes Eczema?The exact cause of eczema, or atopic dermatitis, is unknown although it typically occurs in families ...
13/02/2025

What Causes Eczema?
The exact cause of eczema, or atopic dermatitis, is unknown although it typically occurs in families with atopic diseases (atopic dermatitis, asthma and allergies) pointing to a genetic component. In the past few years, mutations in the gene for filaggrin protein which is important in building a healthy skin barrier have been described in some patients with eczema. These patients appear to have atopic dermatitis that is earlier in onset, more severe and persistent and associated with asthma and allergic sensitization. Environmental exposures are also thought to contribute, as the incidence of atopic dermatitis is increasing at a rate that cannot be explained by genetics alone. Patients can have specific or unique triggers that make their eczema flare and these include irritants, allergens, infectious agents and emotional factors.

What Is The Main Cause Of Melasma?Melasma is a common skin pigmentary condition, especially in Asia. It can be triggered...
13/02/2025

What Is The Main Cause Of Melasma?
Melasma is a common skin pigmentary condition, especially in Asia. It can be triggered by sun exposure, genetics, hormonal changes and history of skin irritation.

Ultraviolet (UV) radiation is considered the principal factor that triggers melasma. This happens when ultraviolet rays stimulate the cells that control pigment/colour (melanocytes) leading to excessive melanin production which causes brown or grey patches to appear on the face area of the skin.

Melasma is also very much linked to our skin health, especially the basement membrane of our skin. The basement membrane is the structure in between the superficial skin (epidermis) and the deeper skin (dermis). Most people will find that their melasma is very stubborn to treatments because the disruption of the basement membrane that makes it resistant to creams, or lasers alone.

About Skin Treatment
13/02/2025

About Skin Treatment

Guy's and St Thomas' nurse-led varicose vein intervention service team. From left, Chloe Lakin, Emily Prior, Lily Benton...
13/02/2025

Guy's and St Thomas' nurse-led varicose vein intervention service team. From left, Chloe Lakin, Emily Prior, Lily Benton, Joan Uwadileke, Mara Peixoto
Source: Guy's and St Thomas' NHS Foundation Trust

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St John's Institute Of Dermatology Guy's Hospital, Great Maze Pond
Mexico City
SE19RT

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+595993557983

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